technical report and updated resource estimate...
TRANSCRIPT
TECHNICAL REPORT
AND
UPDATED RESOURCE ESTIMATE
ON THE
ATLANTA GOLD PROPERTY
ELMORE COUNTY, IDAHO, USA
Longitude: 115°06’51”
Latitude: 43°46’55”
Prepared for:
Atlanta Gold Inc.
By
P&E Mining Consultants Inc.
Suite 202 - 2 County Court Boulevard
Brampton, Ontario,
L6W 3W8
NI-43-101F1
TECHNICAL REPORT No. 224
Dr. Wayne D. Ewert, P.Geo.
Mr. Eugene Puritch, P.Eng.
Mr. David Burga, P.Geo.
Mr. Fred H. Brown, CPG, Pr.Sci.Nat.
Ms. Tracy Armstrong, P.Geo.
Mr. Alfred Hayden, P.Eng.
Effective Date: June 30, 2011
Signing Date: Sept 1, 2011
Respectfully Submitted,
P&E Mining Consultants Inc.
{SIGNED AND SEALED}
[Eugene Puritch]
______________________________
Eugene Puritch, P.Eng. President
Effective Date: June 30, 2011
Dated this 1st day of September, 2011
TABLE OF CONTENTS
1.0 SUMMARY ......................................................................................................................... i
1.1 BEHRE DOLBEAR 2005 RESOURCE ESTIMATE ........................................... iii 1.2 JOSEY MARCH 2009 RESOURCE ESTIMATE ................................................ iv 1.3 P&E FEBRUARY, 2011 RESOURCE ESTIMATE ............................................. iv 1.4 P&E JUNE, 2011 RESOURCE ESTIMATE ........................................................ vi
2.0 INTRODUCTION AND TERMS OF REFERENCE .........................................................1
2.1 TERMS OF REFERENCE ......................................................................................1 2.2 SOURCES OF INFORMATION ............................................................................1 2.3 UNITS AND CURRENCY .....................................................................................2 2.4 GLOSSARY AND ABBREVIATION OF TERMS ...............................................2
3.0 RELIANCE ON OTHER EXPERTS ..................................................................................4
4.0 PROPERTY DESCRIPTION AND LOCATION ...............................................................5 4.1 ATLANTA PROPERTY LOCATION ....................................................................5
4.2 PROPERTY DESCRIPTION AND TENURE ........................................................5 4.2.1 Land Surveying ............................................................................................6
4.3 OWNERSHIP ..........................................................................................................8 4.3.1 Current Status of the Lease / Option Agreements .......................................8
5.0 ACCESSIBILITY, CLIMATE, LOCAL RESOURCES, INFRASTRUCTURE,
AND PHYSIOGRAPHY ...................................................................................................11
5.1 ACCESS ................................................................................................................11 5.2 CLIMATE ..............................................................................................................12 5.3 LOCAL RESOURCES ..........................................................................................12
5.3.1 Water Supply .............................................................................................12 5.4 INFRASTRUCTURE ............................................................................................12
5.5 PHYSIOGRAPHY .................................................................................................13 6.0 HISTORY ..........................................................................................................................14
6.1 HISTORICAL IN-HOUSE FEASIBILITY STUDIES .........................................17 6.2 PREVIOUS MINERAL RESOURCE/RESERVE ESTIMATES .........................18
6.2.1 2005 Behre Dolbear Mineral Resource/Reserve Estimate.........................18 6.2.2 2007 Vector Engineering Mineral Resource/Reserve Estimate .................21 6.2.3 2009 Josey Mineral Resource Estimate .....................................................22
6.3 HISTORICAL PRODUCTION .............................................................................24 7.0 GEOLOGICAL SETTING AND MINERALIZATION ...................................................26
7.1 REGIONAL GEOLOGY .......................................................................................26 7.2 GEOLOGY OF THE PROPERTY ........................................................................27
7.3 MINERALIZATION .............................................................................................31 8.0 DEPOSIT TYPES ..............................................................................................................33 9.0 EXPLORATION................................................................................................................35
9.1 2009 SURFACE TRENCHING AND SOIL SAMPLING PROGRAM ...............35 9.2 2010 SURFACE TRENCHING PROGRAM ........................................................35 9.3 HISTORICAL EXPLORATION DATA COMPILED FOR TAHOMA
SHEAR ..................................................................................................................37
10.0 DRILLING .........................................................................................................................38 10.1 INTRODUCTION .................................................................................................38 10.2 2009 SURFACE DRILLING PROGRAM ............................................................38
10.3 2010 SURFACE DRILLING PROGRAM ............................................................39 10.3.1 2010 Shallow Confirmation Drilling .........................................................40
10.4 2010 INTERMEDIATE DEPTH DRILLING .......................................................43 11.0 SAMPLE PREPARATION, ANALYSES AND SECURITY ..........................................46
12.0 DATA VERIFICATION ...................................................................................................48
12.1 ATLANTA GOLD QUALITY CONTROL PROGRAM .....................................49
12.1.1 Performance of Certified Reference Materials ..........................................49
12.1.2 Performance of Blank Material ..................................................................50 12.1.3 Performance of Duplicates .........................................................................50
13.0 MINERAL PROCESSING AND METALLURGICAL TESTING .................................51 13.1 HEAP LEACH TESTING .....................................................................................51 13.2 FLOTATION TESTING .......................................................................................53
14.0 MINERAL RESOURCE ESTIMATES ............................................................................55 14.1 INTRODUCTION .................................................................................................55 14.2 PREVIOUS RESOURCE ESTIMATES ...............................................................55 14.3 SAMPLE DATABASE .........................................................................................57 14.4 DATABASE VALIDATION ................................................................................57
14.5 TOPOGRAPHY & SURVEY ...............................................................................58 14.6 BULK DENSITY...................................................................................................58
14.7 ECONOMIC PARAMETRES ...............................................................................59 14.8 DOMAIN MODELING .........................................................................................59 14.9 COMPOSITING ....................................................................................................60 14.10 EXPLORATORY DATA ANALYSIS .................................................................60
14.11 TREATMENT OF EXTREME VALUES.............................................................61 14.12 CONTINUITY ANALYSIS ..................................................................................62
14.13 BLOCK MODEL ...................................................................................................63 14.14 ESTIMATION & CLASSIFICATION .................................................................64 14.15 MINERAL RESOURCE ESTIMATE ...................................................................65
14.16 VALIDATION .......................................................................................................68 15.0 MINERAL RESERVE ESTIMATES................................................................................69
16.0 MINING METHODS ........................................................................................................70 17.0 RECOVERY METHODS ..................................................................................................71
18.0 PROJECT INFRASTRUCTURE ......................................................................................72 19.0 MARKET STUDIES AND INFRASTRUCTURE ...........................................................73
20.0 ENVIRONMENTAL STUDIES, PERMITTING AND SOCIAL OR COMMUNITY
IMPACT ............................................................................................................................74 21.0 CAPITAL AND OPERATING COSTS ............................................................................76
22.0 ECONOMIC ANALYSIS .................................................................................................77 23.0 ADJACENT PROPERTIES ..............................................................................................78 24.0 OTHER RELEVANT DATA AND INFORMATION .....................................................79 25.0 INTERPRETATION AND CONCLUSIONS ...................................................................80
26.0 RECOMMENDATIONS ...................................................................................................81 26.1 RECOMMENDED EXPLORATION WORK PLAN ...........................................81
27.0 REFERENCES ..................................................................................................................83
28.0 CERTIFICATES ................................................................................................................85
LIST OF TABLES
Table 1.1 Atlanta Mineral Resource Estimate Summary (Behre Dolbear 2005) ................... iii
Table 1.2 Summary of Measured and Indicated Resource Estimate Josey (2009) ................ iv Table 1.3 Atlanta February 2011 P&E Mineral Resource Estimate ....................................... v Table 1.4 Atlanta mineral resource estimate as of June 30, 2011 .......................................... vi Table 4.1 Atlanta Property Tenure .......................................................................................... 7 Table 4.2 Advance Royalty Payments as at June 30, 2011 ................................................... 10
Table 6.1 Summary of Historical Exploration in the Atlanta Project Area .......................... 14 Table 6.2 Atlanta Mineral Resource Estimate Summary (Behre Dolbear 2005) .................. 20 Table 6.3 Atlanta Mineral Reserve Estimate Summary (Behre Dolbear 2005) .................... 21 Table 6.4 Atlanta Mineral Resource/Reserve Estimates Vector Engineering 2007 .............. 21 Table 6.5 Summary of Measured and Indicated Resource Estimate Josey (2009) ............... 23
Table 6.6 Josey (2009) Resource Estimates at a Range of Cut-Off Grades .......................... 24 Table 6.7 Historical Production Reports From Talache Mill ................................................ 25
Table 9.1 Atlanta 2009-2010 Surface Trenching Program Mineralized Intercepts .............. 36 Table 10.1 Atlanta 2009 Surface Drilling Program Mineralized Au Intercepts ..................... 39 Table 10.2 Atlanta 2010 Surface Drilling Program Mineralized Au Intercepts ..................... 41 Table 14.1 Atlanta Mineral Resource Published November 3, 2004 ...................................... 55
Table 14.2 Extract from the Atlanta Mineral Resource Published 30 March 2009 ................ 56 Table 14.3 Extract from the Atlanta Mineral Resource Published 01 February 2011 ............ 57
Table 14.4 Bulk Density and Tonnage Factors ....................................................................... 58 Table 14.5 Composite Summary Statistics .............................................................................. 61 Table 14.6 Capping Thresholds ............................................................................................... 62
Table 14.7 Experimental Semi-Variograms for Au ................................................................ 63 Table 14.8 Block Model Setup ................................................................................................ 63
Table 14.9 Atlanta mineral resource estimate as of June 30, 2011 ......................................... 68 Table 14.10 Block Estimate Means Compared with NN Estimate Means ............................... 68
Table 26.1 Proposed 2011 Exploration Budget ....................................................................... 82
LIST OF FIGURES
Figure 1.1 Tenure map showing Atlanta Property. (January 2011) ......................................... ii
Figure 4.1 Regional Location Map showing Atlanta Property ................................................. 5 Figure 4.2 Tenure map showing Atlanta Property claim holdings (January 2011) .................. 7 Figure 5.1 Access to the Atlanta Property .............................................................................. 11 Figure 6.1 3-D Mineralization Solids of Atlanta Project (Looking 325
o) .............................. 23
Figure 7.1 General Geology of the Hailey Quadrangle, Idaho ............................................... 27
Figure 7.2 Shear Zones and Drill Collar Locations ................................................................ 28 Figure 7.3 Cross-section view of the Epithermal-type Atlanta Shear .................................... 30 Figure 8.1 Conceptual Model Illustrating Styles of Magmatic Arc Porphyry Cu-Au and
Epithermal Au-Ag Mineralization ........................................................................ 34 Figure 12.1 Site Visit Sample Results for Gold ....................................................................... 48
Figure 12.2 Site Visit Sample Results for Silver ...................................................................... 49 Figure 14.1 Defined 0.03 Opt Grade Domains ......................................................................... 59
Figure 14.2 Q-Q plots of DDH vs. RC composite values for the Monarch zone ..................... 61 Figure 14.3 Log probability plots of the composite sample sets .............................................. 62 Figure 14.4 Principle direction Au experimental semi-variograms .......................................... 64 Figure 14.5 Optimized Mineral Resource Pit Shells ................................................................ 66
Figure 14.6 Newmont and Glaspey Areas ................................................................................ 67
P&E Mining Consultants Inc. i
Atlanta Gold Project, Idaho Report No. 204
1.0 SUMMARY
The following report was prepared to provide an NI 43-101 compliant Technical Report and
updated resource estimate of the gold-silver mineralization in the Atlanta Gold Property, Elmore
County, Idaho, USA.
This report (the “Report”) was prepared by P&E Mining Consultants Inc., (“P&E”) at the request
of Atlanta Gold Inc. (“Atlanta” or the “Company”), which holds the Atlanta Gold property (the
“Property”) and owns and operates the Atlanta Gold project (the “Project”) through its wholly-
owned subsidiary, Atlanta Gold Corporation, an Idaho corporation.
The Project is located in the historic Middle Boise Mining District in an area with historic
exploration, development, and production of gold and silver ore. The Project site is located on
top of Atlanta Hill, which has a maximum elevation of 7,580 feet (2,310 metres) above mean sea
level (msl) and is approximately 1.5 miles (2.4 kilometres) south of the town of Atlanta, Idaho.
Gold was discovered in the vicinity of Atlanta in 1863 and the region has since undergone
sporadic periods of metal production. The most productive years were during the periods from
about 1870 to 1885, 1902 to 1917, and 1932 to 1957. Estimated production from the Atlanta
lodes during those years was 297,000 ounces of gold and 2.6 million ounces of silver at cut-off
grades of 0.4 ounces per ton or opt (13.70 grams per tonne, gpt or g/t) and 0.5 opt (17.1 gpt)
when gold was US$35.00 and US$20.00 per ounce. This historic gold production of
344,000 gold equivalent (“AuEq”) ounces from Atlanta consisted of shallow high grade mining
from surface to a vertical depth of 1,000 feet (305 metres) below surface.
The Atlanta lode and associated lateral veins occur in a biotite granodiorite, affected to varying
degrees by hydrothermal alteration. Gold and silver mineralization is closely associated with the
more intensely silicified zones of the biotite granodiorite.
Modern day exploration activities were commenced by Atlanta Gold Corporation (formerly
Atlanta Gold Corporation of America Inc.) in 1985 and have continued through to the present.
Joint ventures were formed during that period in order to fund exploration of the deposit, notably
with Ramrod Gold Corporation and Newmont Mining Ltd. The Property occupies an area of
2,197 acres (8.89 square kilometres or 889 hectares) and is comprised of four blocks of leased
claims. The Figure below depicts the Property boundary, land tenure, mineralized zones and
previously proposed large open pit areas of the Property.
The Atlanta Gold deposit is classified as an epithermal gold-silver deposit, with the economic
concentrations of gold and silver deposited with silica by hydrothermal fluids in vein systems.
Most of the mineralization appears at the convergence of lateral veins with more prominent veins
within an intensely sheared zone known as the Atlanta Shear Zone which is 11,400 feet
(3,475 metres) long, 30 to 120 feet (9 to 37 metres) wide and goes down to a known vertical
depth of 2,000 feet (610 metres) below surface. Since Atlanta started exploration, a total of
168,081 feet (51,231 metres or m) of reverse circulation (RC) drilling and 91,666 feet
(27,940 m) of diamond core drilling have been completed.
P&E Mining Consultants Inc. ii
Atlanta Gold Project, Idaho Report No. 204
Figure 1.1 Tenure map showing Atlanta Property. (January 2011)
Source: P&E Mining Consultants Inc. 2011
Note: Previously proposed large open pit areas are taken from Behre Dolbear 2004
Historic drilling and the 2010 exploration results confirm continuity to a vertical depth of at least
2,000 feet (610 metres) and that, at a depth of 1,000 feet (305 metres) the Atlanta Shear splits
into two individual zones (the North and South Zones) which appear to widen at depth. A vein
appears to extend from the north side of the Atlanta Shear in a north westerly direction towards
the Tahoma structure. If this connection is confirmed by further drilling, it will add a north
westerly horizontal extension of approximately 8,200 feet (2,500 metres) from the 11,400 foot
(3,475 metre) long, north easterly-trending Atlanta Shear Zone. These results bring further
evidence that the Atlanta Shear Zone is open to exploration at depth and in other directions and
is part of a large mineralized system which will ultimately multiply the gold content per vertical
foot and the economic potential of the Project.
The Company previously commissioned other NI 43-101 compliant technical reports and
resource estimates as well as the 2005 Feasibility Study completed by Behre Dolbear which
proposed to develop Atlanta as a bulk mining open pit and cyanide heap leach operation. In
2008 the Company changed its mining strategy to instead proceed with a smaller open pit and
underground mining operation with an on-site milling facility. The revised strategy does not
involve a surface heap leach process and will significantly reduce the surface or environmental
footprint and reduce environmental risk. This more selective method of ore extraction positively
addresses environmental concerns identified during previous permitting efforts. It also increases
expected metal recovery rates from 63% to 83% for gold and 88% for silver.
P&E Mining Consultants Inc. iii
Atlanta Gold Project, Idaho Report No. 204
1.1 BEHRE DOLBEAR 2005 RESOURCE ESTIMATE
Behre Dolbear (2004) defined two areas of the Property as being mineable by open pit heap
leach methods. Prospective pits in the Idaho and Monarch areas were proposed for the western
and eastern portions of the Property respectively. An open-pit mineral resource was calculated by
Behre Dolbear in November 2004, and used in their 2005 Feasibility Study. Based on a 0.015 opt
(0.51 gpt) Au cut-off, Measured and Indicated resources of 27,887,000 tons at an average grade
of 0.049 opt (1.68 gpt) Au containing a total of 1,360,000 ounces of gold was outlined and is
shown in the Table below highlighted in yellow. An additional 560,000 ounces of gold are
shown in the Inferred category. The sensitivity of the resource estimate to varying gold cut-off
grades (0.020 and 0.025 opt (0.69 and 0.86 gpt) is also depicted in Table 1.1 below.
TABLE 1.1
ATLANTA MINERAL RESOURCE ESTIMATE SUMMARY (BEHRE DOLBEAR 2005)
*Note: P&E has not conducted the work necessary to verify the classification of the mineral resource estimates and
therefore, for purposes of this Report such estimates cannot be treated as NI 43-101 defined resources
verified by a qualified person. Accordingly, the estimates presented in this section of the report should not
be relied upon.
P&E Mining Consultants Inc. iv
Atlanta Gold Project, Idaho Report No. 204
1.2 JOSEY MARCH 2009 RESOURCE ESTIMATE
The most recent mineral resource estimate prepared prior to that of the P&E February, 2011
estimate was that presented by Bill Josey in 2009. As summarized below in Table 1.2, Josey
(2009) estimated the Measured and Indicated resources at 3.00 million tons above cut-off gold
grades of 0.05 opt (1.71 gpt) for the mini-pit resource and 0.100 opt (3.43 gpt) for the
underground resource with average grades of 0.154 opt (5.28 gpt) Au and 0.357 opt (12.24 gpt)
Ag. This mineral resource contains 460,300 ounces of gold and 1,069,900 ounces of silver,
respectively, or 474,900 gold equivalent ounces (including silver resources as a gold equivalent).
TABLE 1.2
SUMMARY OF MEASURED AND INDICATED RESOURCE ESTIMATE JOSEY (2009)
Atlanta Gold Measured and Indicated Resources
Area
GOLD SILVER
Total
Equivalent
Ounces of
Gold6
(000's)
Cut-
Off
Grade
(opt)
Gold
Grade
(opt)
Tons
(000’s)
Ounces
of Gold
(000’s)
Ratio
of
Silver
to Gold
Ounces
Ounces
of
Silver
(000's)
Price
Factor2
Gold
Price /
Silver
Price
Equivalent
Ounces of
Gold
(000's)
Mini-Pit Resource
East and West
Monarch1 0.05 0.111 419.3 46.4 4.28
4 198.6 73.7 2.7 49.1
Idaho1 0.05 0.060 82.3 4.9 4.28
4 21.1 73.7 0.3 5.2
Total Mini Pit
Resource 0.095 501.6 51.3 4.284 219.7 3.0 54.3
Underground Resource
Monarch and
Idaho1 0.10 0.161 2,125.8 343.3 2.02 797.7 73.7 10.8 354.1
East Extension5 0.10 0.177 370.5 65.7 0.80 52.5 73.7 0.7 66.4
Total
Underground
Resource 0.10 0.164 2,496.3 409.0 1.81 850.2 73.7 11.5 420.5
Total Resource 0.1543 2,997.9 460.3 2.12 1,069.9 14.5 474.9
1.) Based on a compilation of the same input data used for the 2007 Technical Report which is Canadian
National Instrument 43-101(“NI 43-101”) compliant
2.) Price Factor, using closing prices as of the close of business on November 3, 2008 on New York Globex is
73.70 (US$722.00 per ounce of gold / US$9.79 per ounce of silver)
3.) Average grade of gold per ton = 0.154 ounces per ton (460,300 ounces / 2,997,900 tons)
4.) Estimated ratio of silver to gold ounces
5.) The resource for the East Extension is a total resource. It has not been decided with certainty whether the
East Extension area can be mined by open pit methods or underground or both.
6.) The average grade of gold equivalent (including silver resources as a gold equivalent) per ton
= 0.158 ounces per ton (474,900 ounces / 2,997,900 tons)
1.3 P&E FEBRUARY, 2011 RESOURCE ESTIMATE
The P&E, February, 2011, Resource Estimate was prepared for both open pit and underground
scenarios and is therefore not comparable with the Behre Dolbear 2004 model which was
presented as a large tonnage, open pit, heap leach operation. The P&E Resource Estimate model
was based on a smaller combined open pit and underground operation using flotation processing.
In addition, the P&E Resource Estimate was restricted to mineralization occurring solely on
patented claims. Consequently, the P&E Resource Estimate model would result in higher
operating costs and cut-off grades, lower resource tonnages and higher recovery rates.
P&E Mining Consultants Inc. v
Atlanta Gold Project, Idaho Report No. 204
Atlanta has delineated two underground targets as the Newmont and Glaspey Zones and
underground resources for these zones were included as part of the P&E February 2011 Resource
Estimate. A cut-off grade of 0.04 opt (1.37 grams per tonne, gpt or g/t) Au was used for open pit
mining and a cut-off grade of 0.09 opt (3.09 gpt) Au was used for underground mining. As noted
in Table 1.3 below the P&E February, 2011 Resource Estimate contains a total of 466,000 gold
equivalent (AuEq) ounces classified as Indicated, and 290,000 AuEq ounces classified as
Inferred, with AuEq ounces calculated using a gold to silver price ratio of 77.6:1. Based on
production of 40,000 AuEq ounces per year, the P&E Resource Estimate would extend the
Project‟s mine life to approximately 19 years.
The resource was estimated on the basis of the November 30, 2010 two-year trailing average
US$ metal prices of $1,075 per ounce of gold and $16.61 per ounce of silver with mill recoveries
of 90% and 75% respectively. Prevailing metal prices at December 31, 2010 were US$1,422 per
ounce of gold and US$30.91 per ounce of silver.
TABLE 1.3
ATLANTA FEBRUARY 2011 P&E MINERAL RESOURCE ESTIMATE(1)(2)(3)(4)
Open Pit Resource
Resource
Cut-
Off
Grade
opt Au
Short
Tons
'000
Gold Silver
Gold
Equivalent
Au
Grade
opt
Au
Grade
g/t
Au
Ozs
'000
Ag
Grade
opt
Ag
Grade
g/t
Ag ozs
'000
AuEq ozs
'000
Indicated 0.04 2,331 0.130 4.46 303.0 0.389 13.34 906.8 314.7
Inferred 0.04 58 0.123 4.22 7.1 0.235 8.06 13.6 7.3
Underground Resource
Zone Resource
Cut-
Off
Grade
opt Au
Short
Tons
'000
Gold Silver Gold
Equivalent
Au
Grade
opt
Au
Grade
g/t
Au
ozs
'000
Ag
Grade
opt
Ag
Grade
g/t
Ag ozs
'000
AuEq ozs
'000
Glaspey Indicated 0.09 61.20 0.193 6.62 11.8 0.209 7.17 12.0
Newmont Indicated 0.09 0.00 0.000 0.00 0.0 0.000 0.00 0.0
Other Indicated 0.09 872.80 0.156 5.34 135.9 0.318 10.91 139.3
Glaspey Inferred 0.09 18.10 0.181 6.21 3.3 0.176 6.03 3.3
Newmont Inferred 0.09 503.70 0.223 7.65 112.6 0.211 7.23 114.0
Other Inferred 0.09 978.20 0.166 5.67 161.9 0.298 10.20 165.4
Total Open Pit and Underground Resources
Resource
Short
Tons
'000
Gold Silver
Gold
Equivalent
Au
Grade
opt
Au
Grade
g/t
Au
ozs
'000
AuEq
ozs
'000
Ag
Grade
g/t
Ag ozs
'000
AuEq ozs
'000
Indicated 3,265 0.138 4.73 450.6 466.0 12.580 1,197.3 466.0
Inferred 1,558 0.183 6.27 284.6 290.0 9.090 414.1 290.0
1) Open pit resources are accumulated at a cut-off grade of 0.04 opt (1.71 gpt) Au within an optimized pit
shell
2) Underground resources are accumulated at a cut-off grade of 0.09 opt (3.09 gpt) Au
3) Mineral resources which are not mineral reserves do not have demonstrated economic viability. The
estimate of mineral resources may be materially affected by environmental, permitting, legal, title,
taxation, socio-political, marketing, or other relevant issues.
4) Confidence in the estimate of Inferred Mineral Resources is insufficient to allow the meaningful application
of technical and economic parameters. There is no guarantee that all or any part of a mineral resource can
or will be converted into a mineral reserve.
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Atlanta Gold Project, Idaho Report No. 204
1.4 P&E JUNE, 2011 RESOURCE ESTIMATE
This Report outlines the updated mineral resource estimate prepared by P&E effective June 30,
2011, which supersedes all existing mineral resource estimates.
(1) Mineral resources which are not mineral reserves do not have demonstrated economic viability. The
estimate of mineral resources may be materially affected by environmental, permitting, legal, title,
taxation, socio-political, marketing, or other relevant issues.
(2) The quantity and grade of reported inferred resources in this estimate are uncertain in nature and there
has been insufficient exploration to define these Inferred resources as an Indicated or Measured mineral
resource and it is uncertain if further exploration will result in upgrading them to an Indicated or
Measured mineral resource category.
(3) The mineral resources were estimated using the CIM Standards on Mineral Resources and Reserves,
Definitions and Guidelines prepared by the CIM Standing Committee on Reserve Definitions.
(4) AuEq was calculated such that one ounce of Au = 55.6 ounces Ag. Metal prices used were the
June 30, 2011 two year trailing average for Au at US$1,231.00/oz and Ag at US$22.48/oz with process
recoveries of 83% for gold and 88% for silver.
(5) The estimated mined tonnage from historic operations which was mined at cut-off grades above 0.4 and 0.5
opt (13.7 and 17.1 gpt) was removed from the block model.
(6) Gold cut-off grades of 0.041 opt (1.41 gpt) for open pit and 0.113 opt (2.25 gpt) for underground resources
were established from metal prices, expected recoveries, and estimated operating costs.
TABLE 1.4
ATLANTA MINERAL RESOURCE ESTIMATE AS OF JUNE 30, 2011(1)(2)(3)(4)(5)(6)
Area
Tons
(000’s)
GOLD SILVER
Total
Equivalent
Ounces of
Gold
(000's)
Cut-
Off
Grade
(opt)
Grade
Ounces
of
Gold
(000’s)
Grade
Ounces
of
Silver
(000's)
Ounces of
Silver as
Gold
Equivalent
(000's)
Ounces
Per
Ton
Au
Grams
Per
Tonne
Au
Ounces
Per
Ton
Ag
Grams
Per
Tonne
Ag
Open -Pit
Indicated 6,732 0.041 0.099 3.39 665.5 0.263 9.02 1,769.2 31.8 697.3
Inferred 850 0.041 0.093 3.19 79.4 0.200 6.86 170.2 3.1 82.5
Underground
Indicated 95 0.113 0.222 7.61 21.1 0.319 10.92 30.3 0.6 21.6
Inferred 938 0.113 0.216 7.42 203.0 0.272 9.33 255.2 4.6 207.6
Total
Indicated 6,828 0.101 3.45 686.6 0.264 9.04 1,799.5 32.4 719.0
Inferred 1,788 0.158 5.42 282.4 0.238 8.16 425.4 7.7 290.1
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Atlanta Gold Project, Idaho Report No. 204
Based on the following criteria, P&E has not included any of the mineral resource at Atlanta in
the Measured category:
A change in the conceptual mining plan from a large open-pit heap leach to a
small open-pit and underground operation has significantly reduced mineral
resource tonnage and metal content and increased expected recovery rates.
P&E‟s review of historical data resulted in the reclassification of mineral resource
estimates and the level of confidence in these estimates, including:
Difficulty in interpreting results from historical sub-vertical reverse
circulation drilling to delineate and sample the Atlanta Shear Zone;
A consistent bias between diamond drill hole data and historic reverse
circulation (“RC”) drilling data;
Historic drill hole collars were not all surveyed;
Historic down hole drill hole surveys are of varying quality;
Historic QA/QC protocols do not meet current generally accepted
standards;
Historical mineral resource estimates included resources generated outside
the defined mineralization envelopes;
Lack of sufficiently representative bulk density measurements;
Uncertainty as to the extent and location of historical mining, particularly
in the Monarch area.
During preparation of the P&E Mineral Resource Estimate, it became evident that additional
technical studies and drilling would be required to more fully delineate potential economic
mineralization at the Atlanta Gold Deposit. Therefore, it is recommended that:
A comprehensive density study be conducted across the deposit to provide data
for creation of a density block model which will allow the calculation of accurate
tonnages;
A structural interpretation be undertaken across the entire Property (including a
ground penetrating radar survey of the mined out areas) to improve understanding
of the relationship between structure and ore localization as well as to facilitate
mine design for optimum ore extraction and grade control;
A minimum 60,000 foot (18,288 metre) detailed, targeted drilling campaign be
completed to further define historically mined areas, to delineate known splays off
the Monarch zone, to explore historical mineralization peripheral to the Atlanta
deposit, and to further investigate the nature and extent of the oxide/sulphide
boundary;
The available RC drilling data used in current mineral resource estimate modeling
needs to be further validated and it is therefore recommended that the RC drilling
results be investigated on a hole-by-hole basis.
The recommended program outlined above is designed to increase confidence levels for the
current resource categories and move the Project though the Scoping Study stage.
The Atlanta deposit remains open at depth. Additional exploration and development work is
warranted to identify the vertical extent of gold mineralization and to explore for potential
resources west of the current resource, as well as fault-displaced blocks. In addition, several
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north-trending splays off the Monarch zone have been identified, and constitute a viable
exploration target.
In order to complete the recommended exploration work programs in 2011, a minimum
$4.2 million exploration Budget is required.
Based on the current resource base and technical understanding of the Property, P&E concludes
that the Property has sufficient merit to warrant continued resource definition and exploration
drilling and preparation of an Advanced Scoping Study, or Preliminary Economic Assessment.
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2.0 INTRODUCTION AND TERMS OF REFERENCE
2.1 TERMS OF REFERENCE
The following report was prepared to provide an independent National Instrument 43-101 (“NI
43-101”) compliant Technical Report and Updated Mineral Resource Estimate (the “Report”) of
the gold mineralization contained on and below the Property located on Atlanta Hill, which is
approximately 1.5 miles (2.4 kilometres) north of the town of Atlanta, Idaho (the “Property”).
The purpose of the Report is to review the geology and existing data from exploration of the
Atlanta gold deposit and estimate the mineral resource with a view to mining by a combination
of shallow open pit and underground methods. The Report may also be used to support public
equity financings.
This Technical Report is prepared in accordance with the requirements of Form NI 43-101F1 of
the Canadian Securities Administrators (“CSA”). The mineral resources in the estimate are
compliant with the Canadian Institute of Mining, Metallurgy and Petroleum (“CIM”) Standards
on Mineral Resources and Reserves, Definitions and Guidelines prepared by the CIM Standing
Committee on Reserve Definitions and adopted by CIM Council December 11, 2005.
This report was prepared by P&E Mining Consultants Inc. (“P&E”) at the request of Atlanta
Gold Inc. (the “Company”), an exploration and development company based in Toronto,
Ontario, Canada. Its registered corporate office is located in Ontario at:
First Canadian Place
100 King Street West
Suite 5600
Toronto, Ontario, Canada
M5X 1C9
Telephone: 416-777-0013
Fax: 416-777-0014
This Report has an effective date of June 30, 2011.
Mr. Fred H. Brown, MSc. (Eng), CPG, Pr.Sci.Nat., a qualified person under National Instrument
43-101, conducted a site visit to the Property during the period September 29 to 30, 2010. An
independent verification sampling program was conducted by Mr. Brown at that time.
In addition to the site visit, P&E carried out a study of all relevant parts of the available literature
and documented results concerning the Property and held discussions with technical personnel
from the Company regarding all pertinent aspects of the Project. The reader is referred to those
data sources, which are outlined in the References section of this Report, for further detail.
2.2 SOURCES OF INFORMATION
This Report is based, in part, on internal Company technical reports, and maps, published
government reports, Company letters and memoranda, public information listed in the
References section 27.0 at the conclusion of this Report. Several sections from reports authored
by other consultants have been directly quoted or summarized in this Report, and are so indicated
where appropriate.
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It should be noted that the author has drawn heavily upon selected portions or excerpts from
material contained in a previous NI 43-101 report prepared by William L. Josey titled “National
Instrument 43-101 Technical Report and Resource Estimate for the Atlanta Project, Elmore
County, Idaho” and dated March, 2009.
2.3 UNITS AND CURRENCY
Units of measure used in the Report, except where otherwise indicated, are based on the Imperial
Measurement system, using troy ounces and short tons. Various conversion factors from Imperial
measures to metric units are given below:
Linear Measure
1 inch =2.54 centimetres
1 foot =0.3048 metre
1 yard =0.9144 metre
1 mile =1.6093 kilometres
Area Measure
1 acre =0.4047 hectare
1 acre =0.004047 square kilometres
1 square mile =640 acres =259 hectares
Weight
1 short ton =2,000 pounds =0.907 metric tonnes
1 pound =0.454 kilograms =14.5833 troy ounces (oz)
Assay Values
1 oz per ton =34.2857 grams/tonne
1 troy ounce =31.1035 grams
1 ppm =0.0292 oz per ton
2.4 GLOSSARY AND ABBREVIATION OF TERMS
In this document, in addition to the definitions contained heretofore and hereinafter, unless the
context otherwise requires, the following terms have the meanings set forth below.
“$” and “US$” means the currency of the United States
“AAS” means Atomic Absorption Spectroscopy
“AA” is an acronym for Atomic Absorption, a technique used to measure metal
content subsequent to fire assay
“amsl” means above mean sea level
“Atlanta” means Atlanta Gold Corporation, a wholly owned subsidiary of Atlanta
Gold Inc.
“Au” means gold
“CIM” means the Canadian Institute of Mining, Metallurgy and Petroleum.
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“cm” means centimetres
“Company” means Atlanta Gold Inc.
“CSA” means the Canadian Securities Administrators
“DCP” means an acronym for Direct Coupled Plasma, a technique used to
measure metal content subsequent to fire assay
“E” means east
“el” means elevation level
“gpt” means grams per tonne
“ha” means Hectare
“km” means kilometre
“m” means metre
“M” means million
“Ma” means millions of years
“mm” means millimetres
“Mt” means millions of tonnes
“MT” means millions of short tons
“N” means north
“NE” means northeast
“NI” means National Instrument
“NTS” means National Topographic System
“NW” means northwest
“NSR” means an acronym for net smelter return, which is the amount actually
paid to the mine or mill owner from the sale of ore, minerals and other
materials or concentrates mined and removed from mineral properties,
after deducting certain expenditures as defined in the underlying smelting
agreements
“opt” means ounces per short ton
“oz/T” means ounces per short ton
“P&E” means P&E Mining Consultants Inc.
“Property” means the Atlanta Gold Property hosting the Atlanta Gold Deposit
“ppm” means parts per million
“QP” means “qualified person” as defined in National Instrument 43-101
“S” means south
“SE” means southeast
“SEDAR” means the System for Electronic Document Analysis and Retrieval
“SW” means southwest
“t” means tonne(s)
“T” means short ton(s)
“t/a” means tonnes per annum
“T/a” means short tons per annum
“TN” means True North
“tpd” means tonnes per day
“TSXV” means the TSX Venture Exchange
“US$” means the currency of the United States
“UTM” means Universal Transverse Mercator
“W” means west
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3.0 RELIANCE ON OTHER EXPERTS
P&E has assumed, and relied on the fact, that all the information and existing technical
documents listed in the References section of this Report are accurate and complete in all
material aspects. While we carefully reviewed all the available information presented to us, we
cannot guarantee its accuracy and completeness. We reserve the right, but will not be obligated
to revise our Report and conclusions if additional information becomes known to us subsequent
to the date of this Report.
In general, copies of the tenure documents, operating licenses, permits, and work contracts were
not reviewed and an independent verification of land title and tenure was not performed. P&E
has not verified the legality of any underlying agreement(s) that may exist concerning the
licenses or other agreement(s) between third parties but has relied on, and believes it has a
reasonable basis to rely upon, the legal counsel for Atlanta, to have conducted the proper legal
due diligence in this regard.
Atlanta has provided tenure data to P&E that was presented as current as of the effective date of
this Report and P&E has relied on this data to be an accurate and valid representation of
government and private land records. In this regard Ms. Becky Shull, Office Administrator, was
especially helpful in providing up to-date tenure information.
To the best of the authors‟ knowledge there are no other contingent or actual environmental
liabilities or other liens against the Property as of the effective date of this Report, except as set
forth in Section 20 of this Report.
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4.0 PROPERTY DESCRIPTION AND LOCATION
The Property lies within the historic Middle Boise Mining District where gold and silver has
been mined since the 1860s, with an even longer history of exploration and development.
4.1 ATLANTA PROPERTY LOCATION
The Property in Elmore County, Idaho, is located at Longitude 115o 06‟ 51” and Latitude
43o 46‟ 55” a position situated 60 air miles (90 air kilometres) east/northeast of Boise, Idaho's
capital, at elevations between 5,400 and 7,200 feet (1,646 to 2,195 metres) in rugged, largely
timbered country. It is approximately 1.5 miles (2.4 kilometres) south of the historic mining
town of Atlanta (Figure 4.1), within the drainage of the Middle Fork of the Boise River.
Figure 4.1 Regional Location Map showing Atlanta Property
4.2 PROPERTY DESCRIPTION AND TENURE
The Project site is located on top of Atlanta Hill, which has a maximum elevation of 7,200 feet
(2,195 metres) amsl. The town of Atlanta is located on the north side and at the foot of Atlanta
Hill, which rises approximately 1,900 feet (579 metres) above the town over a horizontal
distance of 1.5 miles (2.4 kilometres). A group of patented mining claims surround the Atlanta
Shear Zone and some of the associated lateral veins which trend through Atlanta Hill. These
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claims have been in existence since the late 1800s. The Property consists of 153 unpatented
mining claims, 35 patented lode claims, two patented mill site claims, and one unpatented mill
site claim totalling 2,159 acres (872.27 hectares or 8.73 square kilometres).
The current land package as depicted above and outlined in Table 4.1 and shown in Figure 4.2
contains two blocks of leased claims and reflects the recent purchase by Atlanta of the Monarch
Greenback claims (21 patented and 7 unpatented claims) as described herein under Subsection
4.3 – Ownership and the dropping of two of Atlanta‟s unpatented claims. The current lessors are
Gardner, and Hollenbeck Properties LLC. The Gardner Lease consists of 31 unpatented mineral
claims; the lease is due to expire in 2016. The Hollenbeck Lease consists of 10 patented and 5
unpatented mining claims; the lease is through 2012. In addition the Company owns three
patented mineral claims and leases 117 unpatented mineral claims from the U.S. Forest Service
(“USFS”).
An annual maintenance fee of US$140 is paid to the U.S. Department of the Interior, Bureau of
Land Management for each unpatented claim.
These claims encompass portions of Sections 2, 3, 4, 9, 10, 11, 12, 13, 14, 15, 16, and 21 of
Township 5 North, Range 11 East (Boise Meridian). Since a fire in August of 2000 burned much
of the area, most of the unpatented U.S. mineral claims have been re-monumented.
It should be noted that a total of 115 acres of patented and unpatented claims lying remote from
the main mineralized Atlanta Shear Zone, but still within the perimeter of the Property are held
by others (see Figure 4.2). All facilities have, however, been located on mineral claims owned or
leased by Atlanta.
4.2.1 Land Surveying
The Atlanta Project coordinate system is rotated 30 degrees west of north since the Atlanta Shear
Shear Zone trends in a N60E direction. North in the mine grid represents a N30W true bearing.
A baseline was established in the late 1980s that trends parallel with the main Shear so that all
drill holes could be oriented perpendicular to the Shear. Drill hole collar coordinates are
converted to the mine grid from the true north grid after surveying.
Idaho Survey Group and its predecessor, Hubble Engineering, Inc. has been performing
professional surveying services on the Atlanta Project since 1988. Services provided have
included establishing horizontal and vertical control points, staking boundary lines, topographic
surveys for site design, staking mining claim corners, staking exploratory drill hole locations,
and providing as-built surveys for drill hole casings. Drill holes for exploratory work done by the
Company were independently surveyed by Idaho Survey Group in 2007, 2008, 2009 and 2010.
The mine area survey control was established by Idaho Survey Group's predecessor, Hubble
Engineering, Inc. in the 1980‟s. A horizontal control baseline was established and a local "Mine
Grid" coordinate system was adopted. Vertical control was established on the baseline using a
mine datum elevation which is 19.02 feet below NAVD 1988 vertical datum. Idaho Survey
Group has expanded this original "Mine Grid" datum throughout the Project and has computed
conversion factors to convert surveyed positions to NAD 83 UTM coordinates and NAVD 88
elevations. Independently surveyed positions on drill hole location are reported in "Mine Grid"
datum and are accurate to within 0.2 feet horizontally and 0.2 feet vertically, using standard
surveying practices.
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The original "Mine Grid" baseline was established utilizing 5-Second Precision Topcon Total
Station instruments. Most work performed within the past 10 years has been accomplished
utilizing Leica System 1200 high precision survey grade GPS receivers and standard surveying
practices.
TABLE 4.1
ATLANTA PROPERTY TENURE
Holder Number of Claims Year of Lease Expiry Total Area (Acres)
Patented Mining Lode Claims with Surface Rights
Hollenbeck 10 2012 139.65
Atlanta 25 -- 266.75
Total Patented 35 406.40
Unpatented Mining Claims
Gardner 31 2016 471.92
Hollenbeck 5 2012 76.90
Atlanta (USFS) 117 -- 1204.11
Total Unpatented 153 1752.93
Total 188 2,159
Figure 4.2 Tenure map showing Atlanta Property claim holdings (January 2011)
Source: P&E Mining Consultants Inc. 2011
Note: Previously proposed large open pit areas are taken from Behre Dolbear 2004
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4.3 OWNERSHIP
On July 22, 1997, Atlanta Gold Corporation of America Inc., a predecessor company to Atlanta
and Canadian American Mining Company, LLC (“CAMC”) (formerly Quest International
Resources Corporation) (“Quest”), entered into a joint venture agreement (the “Quest
Agreement”) whereby Atlanta became the operator of the Property with an 80% interest, with
Quest holding the remaining 20% participating interest. CAMC subsequently agreed in
December 2002 to transfer its 20% participating interest in the joint venture to Atlanta, and retain
a 2% NSR royalty (the “Royalty”) on the Property as per the Quest Agreement. In September
2009, the Company purchased half of the Royalty (1%) from CAMC by issuing 5.75 million
common shares of the Company, which were valued at $1,035,000, and agreeing to pay an
additional US$200,000 to CAMC as follows: US$20,000 paid on closing; US$30,000 on
October 25, 2009, and US$10,000 monthly payments paid for 15 consecutive months from
November 2009 to January 2011. As at the date of this Report, the Company has made all of the
foregoing payments and completed the purchase of one half of the Royalty (1%).
4.3.1 Current Status of the Lease / Option Agreements
Pursuant to a Lease / Purchase Option agreement between Atlanta and Monarch Greenback, LLC
(“Monarch”) dated February 2, 1999, as subsequently amended in 1999, 2001 and 2009 Atlanta
leased Monarch‟s surface and mineral rights to Atlanta with an option to purchase all of such
rights.
In a news release dated April 29, 2011, the Company announced that Atlanta had provided to
Monarch notice of exercise of Atlanta‟s option to purchase the Monarch claims. The purchase
price was US$3,075,000 and Monarch retained a variable net smelter return royalty, varying
from 0.5% to a maximum rate of 3.5% for gold prices exceeding US$665 per ounce. As at
December 31, 2010, advance royalty payments of US$1,500,000 had been made by the
Company and will be deducted from future royalty payments to Monarch. The Company
announced in a news release dated June 9, 2011 that the transaction to acquire the Monarch
claims was completed as of June 8, 2011.
To assist in the financing of the purchase of the Monarch claims, the Company borrowed US$3
million from Concept Capital Management Ltd. (“CCM”) by way of a secured, non-interest
bearing bridge loan (the “Loan”) which will be repaid by the proceeds from and is intended to be
replaced by the issuance of a 5-year 6% secured convertible redeemable debenture (the
“Debenture”) for C$3 million, to be issued by the Company to CCM. The Loan is non-interest
bearing and is secured by a limited recourse guarantee of Atlanta and by a mortgage on the
Monarch claims. The Debenture will also be secured by a limited recourse guarantee of Atlanta
and by a mortgage on the Monarch claims. As additional consideration to CCM for providing the
Loan to the Company, Atlanta has provided CCM with an option to purchase the Monarch
claims for US$3 million (the “Property Option”). This option will only become exercisable if the
Loan is repaid other than by the issuance of the Debenture or if the Loan remains outstanding as
of January 31, 2012. The Property Option will terminate upon the earlier of (i) the issuance of
the Debenture and warrants to purchase 30 million common shares of the Company (the
“Warrants”) and (ii) 90 days following repayment of the Loan other than by means of issuing the
Debenture and the Warrants. The issuance of the Debenture and the Warrants is subject to the
approval of the TSX Venture Exchange and, as required by the Exchange, the approval of
shareholders of the Company. The Company advises that it is in the process of settling definitive
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documentation for the Debenture and the Warrants with CCM, following which it will seek stock
exchange and shareholder approvals. If such approvals are not obtained, the Debenture and
Warrants may not be issued and the Loan will continue to be outstanding. Failure to issue the
Debenture by a date to be determined may constitute an event of default under the Loan,
whereupon the Loan will become immediately due and payable and CCM may then elect to
enforce its mortgage security against the Monarch claims. In addition, if the Loan is repaid other
than by the issuance of the Debenture and the Warrants, or if the Loan remains unpaid at
January 31, 2012, the Property Option will become exercisable by CCM. Should CCM elect to
enforce its mortgage security, Atlanta may cease to hold an interest in the Monarch claims.
Should CCM elect to exercise the Property Option and subsequently complete the purchase the
Monarch claims, Atlanta will cease to hold an interest in the Monarch claims. There can be no
assurance that Atlanta will be able to re-acquire any interest in the Monarch claims on
satisfactory terms or at all.
Upon issuance of the Debenture, Atlanta will issue to CCM an option to purchase an aggregate
of 4,000 ounces Au from the Atlanta Project at a price of US$1,400 per ounce. The option will
vest after the Atlanta Project has completed production of 20,000 ounces Au and will expire on
the fifth anniversary of the date of vesting.
The option to purchase the Hill & Davis patented mining claim was exercised by Atlanta in
December 2010 upon the payment, pursuant to an amended lease-purchase option agreement
with Born, Johns and Rhees, of the final option payment of US$30,975 (US$29,500 plus accrued
simple interest of $1,475 @ 5% per year). As of December 31, 2010, advance royalty payments
of US$203,500 will be deducted from future royalty payments to Born, Johns and Rhees.
Atlanta leases 31 unpatented lode claims pursuant to a lease agreement, as amended, with Frank
C. Gardner. The lease expires on April 18, 2016. Lease payments are currently US$10,000 per
year and are treated as minimum annual advance royalties. If these claims go into commercial
production before expiry of the lease, then the annual minimum advance royalty will be
US$20,000. If this property is mined, Frank Gardner will receive a 6% NSR, from which all
advance royalty payments shall be deducted. As of December 31, 2010, advance royalty
payments of US$168,500 will be deducted from any future royalty payments to Frank Gardner.
Atlanta leases 9 patented and 5 unpatented claims pursuant to a lease agreement with Hollenbeck
Properties LLC. The lease expires November 14, 2012 and is renewable year to year thereafter at
an amount to be negotiated. Annual lease payments of US$10,000 per year are treated as
minimum advance royalties. If this property goes into commercial production, then the annual
minimum advance royalty will be US$20,000. If it is mined, Hollenbeck will receive a 4.25%
NSR, from which all advance royalty payments shall be deducted. As of December 31, 2010,
advance royalty payments of US$282,500 will be deducted from any future royalty payments to
Hollenbeck Properties LLC.
Annual rental and advance royalty payments are required to keep lease agreements in good
standing for the properties that collectively comprise the Property. Advance royalty payments to
lessors are credited against future royalties payable on production. As of June 30, 2011, advance
royalty payments totalling US$2,164,500 will be deducted from any future royalty payments to
lessors/royalty holders. Advance royalty payments as at June 30, 2011 are summarized in t
below.
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TABLE 4.2
ADVANCE ROYALTY PAYMENTS AS AT JUNE 30, 2011
Lessor / Royalty Holder Property Advance Royalty Payments as at
June 30, 2011
Monarch Greenback, LLC Monarch Greenback US$1,500,000
Born, John and Rhees Hill & Davis 203,500
Frank C. Gardner Gardner 178,500
Hollenbeck Properties LLC Hollenbeck 282,500
Total US$2,164,500
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5.0 ACCESSIBILITY, CLIMATE, LOCAL RESOURCES, INFRASTRUCTURE,
AND PHYSIOGRAPHY
5.1 ACCESS
Several routes to Atlanta from Boise exist with portions of certain routes paved with asphalt. The
only year-round access available is the route following the Middle Fork of the Boise River from
just outside of Boise. The road distance along this route is approximately 105 miles with a
required driving time of approximately 3 hours. The Middle Fork road is an all-weather
gravel/dirt road that is maintained throughout the year (Figure 5.1).
Another principal route is by means of State Highway 21 through Idaho City, over USFS Roads
384 and 327, then onto a county road along the Middle Fork through Atlanta and onto USFS
Road 207 to the Project site. This route and other routes into Atlanta are not maintained in the
winter months.
Mine roads from the town of Atlanta ascend the hill to various historic mines and prospects that
have not received recent exploration activity. The principal access to the Property starts about 0.5
miles east of the center of Atlanta and proceeds along Montezuma Creek up to the divide at the
head of the stream. From there, mine roads extend west to the various mine workings. Another
road from Atlanta extends up Yuba-Decker to and beyond the old Minerva mine.
Figure 5.1 Access to the Atlanta Property
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5.2 CLIMATE
The Atlanta area has a variation of the continental climate that is characterized by hot summers
and winters that are moderately cold with abundant moisture falling predominately as snow.
Spring time alternates between rainy and cool periods and extended days that are sunny and
warm. Summers are warm to hot and clear except for occasional thunderstorms. Autumn is
similar to spring in that it alternates between clear and warm days with increasing periods that
are cold and moist. Snow covers the area generally from mid-November to the end of April with
temperature and precipitation patterns varying with elevation.
The majority of the annual precipitation on the Project site occurs as snow – as much as 50 to
70% depending on elevation. Annual average precipitation for the Atlanta town site (1981-1986)
was 33 inches while on the nearby Atlanta Summit (elevation 7,580 feet or 2,310 metres),
approximately seven miles (11.3 kilometres) west of Atlanta Hill, the average precipitation was
50 inches. At Atlanta Summit the average snow depth from 1935 to 1985, recorded on
April 1, was 96 inches.
The average annual temperature at the Atlanta town site is approximately 40 degrees Fahrenheit
(°F). Temperatures can vary widely during all seasons with mean daily highs in July from 45° to
85°F to the mean daily low in January of l0°F. Significant lows are recorded to below -30°F.
5.3 LOCAL RESOURCES
Atlanta has located several buildings on the Property that include several storage units, a
rudimentary laboratory building, core logging facilities, aboveground storage tanks, and a 45KW
diesel generator.
Water for exploration purposes is available from Quartz Gulch and Montezuma drainages which
under even fairly severe conditions contain enough water to support a drilling program.
5.3.1 Water Supply
Atlanta has a 10-year lease for an existing, decreed water right on the Middle Fork of the Boise
River from Greene Tree Incorporated, for a monthly rental of $287.50. The water right consists
of 0.92 cfs (413 gpm) and is a seasonal, irrigation water right that must have the use and point of
diversion changed through the Idaho Department of Water Resources (IDWR) prior to its use for
mining purposes. Additional water can be acquired through lease or purchase of existing water
rights, or from an annual lease of stored water from the Water District #63 rental pool. Rental
pool water is priced at $6.50 per acre-foot for in-basin use.
5.4 INFRASTRUCTURE
Due to the small population of the town of Atlanta, only the basic services are available. The
Beaver Lodge offers the only restaurant, bar, and lodging accommodations. Supplies and
gasoline need to be purchased in Boise or the surrounding communities. There is a small pool of
available workers in Atlanta, but for anything other than exploration, the work force would have
to be supplemented from outside the area.
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5.5 PHYSIOGRAPHY
The Property lies in mountainous terrain characterized by steep topography. Mountains
surrounding the Project rise significantly above Atlanta Hill. The area consists of moderately to
steeply dissected mountain slopes with narrow ridge crests and steep, narrow stream channels.
Elevations at the Project site vary from approximately 5,400 feet (1,646 metres) at the Atlanta
town site to 7,200 feet (2,195 metres) at the top of Atlanta Hill.
Vegetation in the area is a mixture of coniferous trees, grasses, and shrub habitats. Most of the
timber in the Project area is second growth, as past mining operations used the wood for both
fuel and mine support. Generally, north-facing slopes are heavily wooded while south/southwest-
facing topography consists of sparse grass and sagebrush. Much of the surrounding forest and
grassland on and around Atlanta Hill was burned in a forest fire in August of 2000.
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6.0 HISTORY
The Atlanta area has a long history of exploration and gold production. Gold was discovered in
the vicinity of Atlanta in 1863, and placer mining along the nearby Yuba River started in 1864.
In late 1864, the northeast-trending outcrops of quartz, were discovered on the hill east of the
Yuba River. These outcrops now known as the Atlanta lode can be traced for approximately
11,400 feet (3,475 metres) and form the surface expression on which exploration and production
has been carried out since the late 1800s.
Metal production from mines on Atlanta Hill has been sporadic. The most productive period of
mining was from 1932 to 1957, when the eastern part of the Atlanta lode was mined first by the
St. Joseph Lead Company and then later by Talache Mines, Inc. During this period, an
amalgamation/flotation mill was used to recover gold from the refractory ore. Information on
geology and mining activity during these periods is presented by Clayton (1877), Hasting (1895),
Eldridge (1895), Bell (1908), Ballard (1928), Campbell (1932), Anderson (1939), and Wells
(1983).
Gold and silver production from the various mines along the Atlanta lode is estimated to have
totalled approximately 297,000 ounces of gold and 2,600,000 ounces of silver. This is probably a
conservative estimate due to such factors as lack of information on the early production years
and inconsistency in reporting data to the U.S. Bureau of Mines.
TABLE 6.1
SUMMARY OF HISTORICAL EXPLORATION IN THE ATLANTA PROJECT AREA
Year Exploration
1863-
1864
Placer gold was discovered in the vicinity of Atlanta and placer mining immediately
commenced along the nearby Yuba River. While placer mining outcrops of
auriferous quartz, were discovered on the hill east of the Yuba River. These
outcrops established the “Atlanta lode and have been intermittently explored since
that time”.
1864-
1885
This was a period of intense discovery and mining activity in the Atlanta Hill area.
Discoveries of offshoots and mineralized veins related to, the Atlanta lode included
the Minerva, Tahoma, Last Chance, Big Lode deposits.
After 1869, high-grade ore, netting up to $2,000 per ton, was shipped by pack train
to Kelton, Utah, and from there was shipped by rail to smelters in Omaha and New
Jersey.
As the bonanza ore was depleted in the late 1870s, stamp mills were installed at
several of the major properties in an attempt to continue production.
1886-
1901
After operating into the middle 1880s, mining ceased due primarily to the refractory
nature of the ore.
1902-
1917
Activity in the district surged again in the early 1900s with a number of the
properties being reopened and new mills constructed utilizing cyanidation in
conjunction with amalgamation and concentration. By 1911, the boom had ended
and except for three years (1915 through 1917), during which the Boise Rochester
property was worked, production in the district ceased for almost 20 years.
Production prior to 1932 probably exceeded $70 million at today‟s metal prices.
1918-
1930
Production from the Atlanta District ceased in 1917 and there was no mining
activity for almost two decades.
1931- The St. Joseph Lead Company acquired the Boise Rochester property in 1917, but
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TABLE 6.1
SUMMARY OF HISTORICAL EXPLORATION IN THE ATLANTA PROJECT AREA
Year Exploration
1963 did not initiate any development of consequence until 1931 when the last boom of
the Atlanta District began.
The St. Joseph Lead Company consolidated the major properties along the Atlanta
Lode, and then built a new amalgamation/flotation mill, which improved recoveries
from refractory ore, and began production in February 1932. After operating the
mine for four years, operations were suspended and the property was leased to
Talache Mines, Inc.
By 1938, the lessees had discovered enough new ore to justify purchasing the mine.
The mill was refitted and the mine was operated continuously from 1939 to 1952,
producing tungsten during World War II.
During the period 1932 through 1952, 215,000 ounces of gold and 900,000 ounces
of silver were produced from the Atlanta Lode. The Talache operation was worked
intermittently until 1963 by lessees and has been idle since.
From April 1, 1942 to July 31, 1943, the Talache mill which was located on the
Atlanta property processed 363,615 pounds of tungsten concentrate which contained
37,835 pounds or 10.41% tungsten trioxide (WO3) extracted from 16,895 tons of
ore
1963-
1987
The district essentially remained idle with even exploration/development work in
abeyance. Atlanta Gold Corporation (a predecessor to the Company), through its
wholly-owned subsidiary Atlanta Gold Corporation of America, Inc. ( a predecessor
of Atlanta Gold Corporation) commenced exploration on the Atlanta Gold Project in
1985.
1988-
1989
Commissioned in 1988 and completed in 1989, Behre Dolbear-Riverside, Inc. and
Bateman Engineers, Inc. prepared a feasibility study for the Atlanta gold and silver
Project near the town of Atlanta, Idaho. Although the study showed favourable
economics, at a gold price of $375/oz, for a medium-size mill plus a small heap
leach operation, the property was not developed.
1990-
1996
Newmont USA Limited drilled 21 intermediate depth holes to a maximum vertical
depth of 563.9 metres in 1991.Ramrod Gold conducted underground drilling in
1994 on the 900 Adit level in the East Extension. This drilling identified the
Glaspey underground resource. In 1994, Atlanta Gold Corporation entered into a
joint venture agreement with Ramrod Gold, Inc. (a wholly-owned subsidiary of
Consolidated Ramrod Gold Corporation) whereby Ramrod could earn 51% interest
in the Property by expending US$2.5 million through May 1995 and a further
US$7.0 million including feasibility study to bring the property into production.
In 1996, Ramrod Gold changed its name to Quest and engaged Behre Dolbear to
prepare pre-feasibility level studies for a number of cases, including:
heap leach;
a small mill;
open pit; and
small, underground operations.
Although the study showed favourable results at a gold price of $375, no
development plans resulted as the gold price subsequently decreased.
1997- In April 1997 Twin Mining Corporation (as the Company was then known)
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TABLE 6.1
SUMMARY OF HISTORICAL EXPLORATION IN THE ATLANTA PROJECT AREA
Year Exploration
2002 commissioned Behre Dolbear to perform a technical, financial and operating
scoping assessment of the development plans to heap leach the oxide ore along with
bio-oxidation of the refractory transition and sulphide ores followed by heap
leaching.
Quest changed its name to Canadian American Mining Company, LLC (“CAMC”)
a private exploration company and on July 22, 1997 entered into an updated joint
venture agreement with Atlanta (the “Quest Agreement”) whereby Atlanta became
an 80% owner and operator of the Property.
On February 2, 1999, Atlanta signed a 10-year Lease/Option to Purchase Agreement
(the “Monarch Agreement”) with Monarch Greenback, LLC (“Monarch”) relating
to Monarch‟s surface and mineral rights to Atlanta, which agreement was
subsequently amended in 1999, 2001 and 2009. Similar option lease agreements
were made with lessors known as Gardner, Hollenbeck Properties LLC, and Hill
and Davis.
In December 2002, in accordance with provisions in the joint venture agreement,
CAMC relinquished its participating interest and Atlanta became the 100 percent
owner of the Atlanta gold property with CAMC retaining a 2% NSR royalty
interest.
2002-
2008
In December 2004, an NI 43-101 Technical Report that outlined two economically
mineable open pits for the ore resources of the Atlanta Project site was published by
Behre Dolbear.
Bacon and Kunter (2004) prepared an NI 43-101 Technical Report dated January
23, 2004 that documented all of the practices and procedures used in the 2002
metallurgical core drilling program and reported on the metallurgical test work.
In April 2005, Behre Dolbear combined their work with that previously completed
by Knight Piesold Consulting and Lyntek, Inc. and published a Feasibility Study.
The study addressed development plans, which included open pit mining, milling
and heap leaching. An Environmental Impact Study (EIS) was concurrently
completed by Tetra Tech, Inc.
In June 2007, an NI 43-101 Technical Report was completed by Vector
Engineering, Inc., which evaluated the mineral resource and reserve models for the
Atlanta Project. Only the Monarch and Idaho pit areas were included in the model.
The East Extension and Tahoma peripheral areas were modeled but lower
confidence in the results and lack of complete drilling precluded including those
zones within the model at that time.
2008-
present
In April, 2009, Atlanta and Monarch agreed to extend the term of the Monarch
Lease / Option until April 30, 2011. The other option and lease agreements have
terms extending from 2012 to 2016.
Atlanta completed six NQ diamond core drill holes to an average depth of
approximately 500 feet (152 metres) for a total of 3,040 feet (927 metres). Also
completed was the excavation and sampling of additional trenches in the East
Monarch and East Extension zones along with additional trenches in the west end of
the Idaho zone to the Buffalo shaft in the east. A total of 14 trenches with an
average length of 100 feet (30 metres) were excavated for a total of 1,400 feet (427
metres) of trenching in the west Idaho area to a depth of up to 12 feet (4 metres).
These trenches were not sampled.
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TABLE 6.1
SUMMARY OF HISTORICAL EXPLORATION IN THE ATLANTA PROJECT AREA
Year Exploration
An NI 43-101 compliant Technical Report and Mineral Resource Estimate for the
Atlanta Project was prepared by William Josey and dated March 30, 2009.
In September 2009, Atlanta purchased one-half (1%) of the 2% NSR held by
CAMC. On June 03, 2010 Atlanta commenced compilation of all available
historical exploration data on the Tahoma structure at its Atlanta Gold Project with
the intention of carrying out follow-up trenching and drilling on the structure.
A 2010 drill program was completed by Atlanta on November 4th after drilling 48
diamond drill holes totalling approximately 39,075 feet (11,910 m) comprised of 42
shallow confirmation drill holes totalling 27,165 feet (8,282 m) and six intermediate
depth holes totalling 11,900 feet (3,628 m). The objective of the program was to
identify new structural lode zones and extensions of vein systems and confirm the
continuity of the Atlanta Shear Zone below existing mine workings to depths of at
least 2,000 feet (610 metres).
In April 2011, Atlanta exercised its option under the Monarch Agreement and in
June 2011 completed the purchase of a portion of the Monarch claims.
6.1 HISTORICAL IN-HOUSE FEASIBILITY STUDIES
Behre Dolbear-Riverside, Inc. and Bateman Engineers completed a Feasibility Study on the
Atlanta Project in 1989, using a milling only scenario.
Pre-Feasibility studies on varied heap leach scenarios were completed in 1996 and 1997 and on
cases combining heap leach with a small mill for the high-grade, refractory mineralization
(Behre Dolbear, 2005).
In April 1997 Twin Mining Corporation (as the Company was then known) commissioned Behre
Dolbear to perform a technical, financial and operating scoping assessment of the development
plans to heap leach the oxide mineralization along with bio-oxidation of the refractory transition
and sulphide material followed by heap leaching. Although the study showed favourable
economics, at a gold price of US$375/oz, for a medium-size mill plus a small heap leach
operation, the property was not developed.
In 2004, Twin Mining Corporation (as the Company was then known) commissioned Behre
Dolbear to perform a Feasibility Study of development plans which included open pit mining and
heap leaching. Also participating in the study, which culminated in a Technical report dated
April, 2005, were Lyntek Incorporated (Lyntek) and Knight Piesold Consulting. An
Environmental Impact Study (EIS) was concurrently completed by Tetra Tech, Inc.
The Behre Dolbear (2005) report concluded that, at a gold price of US$375 per ounce and a
silver price of US$6 per ounce (the Base Case), an economically mineable gold deposit had been
identified and confirmed by the Company at its Atlanta Property located in Elmore County,
Idaho. The study indicated that the Project had an IRR of 24.8 percent and an NPV of
US$14.3 million at a discount rate of 10 percent. Life-of-Mine (LOM) capital expenditures total
US$38.927 million.
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The operation, which was predicated on a Project life of six or more years, would employ
conventional open pit mining of two deposits, the Monarch and Idaho, followed by three-stage
crushing, heap leaching and processing through an adsorption-desorption-refining (ADR) carbon
plant.
6.2 PREVIOUS MINERAL RESOURCE/RESERVE ESTIMATES
In February 2011, P&E completed an updated NI 43-101 Technical Report and Resource
Estimate on the Property.
Lance Bacon, the chief geologist for all drilling programs on the Property from 1988 through
2002, was instrumental in creating an ore resource model using Mineral Evaluation and Design
System (MEDS) MineSight geological modeling software produced by Mintec, Inc. (Josey,
2009).
This original mineral resource model was detailed in an NI 43-101 Technical Report authored by
Lance Bacon and Richard Kunter and dated January 23, 2004. The 2004 Technical Report was
prepared to document all of the practices and procedures used in the 2002 metallurgical core
drilling program and subsequent resource modelling as well as reporting on the metallurgical test
work.
In December 2004, an NI 43-101 Technical Report that outlined two economically mineable
open pits for the ore resources of the Atlanta Project site was published by Behre Dolbear. In
April 2005, Behre Dolbear combined their work with that previously completed by Knight
Piesold Consulting and Lyntek, Inc. and published a Feasibility Study.
In June 2007 and based on a previously proposed bulk mining open pit and cyanide heap leach
operation, an NI 43-101 Technical Report was completed by Vector Engineering, Inc., which
evaluated mineral resource and reserve models for the Atlanta Project. The resource
classification conformed to CIM Definition Standards for reporting of mineral resources and
reserves as referred to in NI 43-101. Only the Monarch and Idaho pit areas were included in the
model. The East Extension and Tahoma peripheral areas were modeled but lower confidence in
the results and lack of complete drilling precluded including those zones within the model at that
time.
In addition to updating the gold price, the new mine model included operating cost updates to
April 2007, which were applied to determine the cut-off grades for the new mine model. The
reader is referred to the Vector Engineering, 2007 report for more details on their procedures.
In the NI 43-101 Technical Report and Resource Estimate by Josey (2009) the computer models
used were similar to those previously done by Behre Dolbear in the 2005 Feasibility Study. The
2009 Mineral Resource Estimate encompassed a larger area than that considered in the
Feasibility Study but did not deal with mineable reserves.
The previously prepared Mineral Resource Estimates noted above are briefly summarized in the
sub-sections below.
6.2.1 2005 Behre Dolbear Mineral Resource/Reserve Estimate
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Based on a previously proposed bulk mining open pit and cyanide heap leach operation and
using all available geological and assay information provided by the Company. Behre Dolbear
constructed a mineral resource model for the Atlanta Project Feasibility Study. The block model
gold and silver grade resource estimate included both mining dilution and mining loss, due to the
grade smoothing effect of the Ordinary Kriging procedures. In order to fully account for the
mining dilution and mining loss that occur during the open-pit mining operation, the block model
gold and silver grade estimates were reduced by an additional three percent. This is equivalent to
applying a dilution factor of about three percent and a mining loss factor of about three percent
on the estimated block model grades. The block model recoverable gold grades were generated
by multiplying the diluted block model gold grade with the block model heap-leach gold
recovery estimate. Only Measured and Indicated blocks were used to calculate the recoverable
gold grade, as the confidence level of the Inferred blocks was too low to be used for financial
analysis of the Project.
Behre Dolbear noted that at the time of preparation the resource/reserve classifications
conformed to Canadian NI 43-101 resource/reserve definitions however, P&E has not conducted
the work necessary to verify the classification of the mineral resource estimates.
Resources
The 2005 Mineral Resource Estimate by Behre Dolbear for the Atlanta Project is summarized in
yellow highlighting within Table 6.2 using a gold cut-off grade of 0.015, opt Au (0.51gpt): the
sensitivity of the resource to varying cut-off grades (0.020 and 0.025 opt Au (0.69 and 0.86 gpt
Au) is also depicted in the Table 6.2.
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TABLE 6.2
ATLANTA MINERAL RESOURCE ESTIMATE SUMMARY (BEHRE DOLBEAR 2005)
*Note: P&E has not conducted the work necessary to verify the classification of the mineral resource estimates and
the resource estimates and therefore, for purposes of this Report such estimates cannot be treated as NI 43-
101 defined resources verified by a qualified person. Therefore the estimates presented in this section of the
report should not be relied upon.
Reserves
Table 6.3 presents the Behre Dolbear 2005 mineable proven and probable reserves for the
Atlanta Project, calculated at a gold price of US$350/oz and a silver price of US$6.00/oz.
It should be noted that the mineral resource estimates presented in the Tables below are based on
prior data and reports prepared by previous operators. P&E has not conducted the work
necessary to verify the classification of the resource/reserve estimates and therefore such
estimates cannot be treated nor relied upon as NI 43-101 defined resources verified by a
qualified person.
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TABLE 6.3
ATLANTA MINERAL RESERVE ESTIMATE SUMMARY (BEHRE DOLBEAR 2005)
6.2.2 2007 Vector Engineering Mineral Resource/Reserve Estimate
In their report dated April 19, 2007 and based on a previously proposed bulk mining open pit and
cyanide heap leach operation, Vector Engineering provided estimates of the gold and silver
resources within the Atlanta Mine property at a cut-off grade of 0.015 opt (0.51 gpt) Au, and the
reserves at a gold price of US$600 per ounce and a silver price of US$12 per ounce. Resources
are divided into Measured, Indicated, and Inferred categories, with decreasing levels of
confidence. Reserves are categorized as Proven, Probable, and Possible, with decreasing levels
of confidence. The Atlanta Gold Project estimated gold and silver resources and reserves,
including silver reserves as a gold equivalent, are summarized below in Table 6.4.
TABLE 6.4
ATLANTA MINERAL RESOURCE/RESERVE ESTIMATES VECTOR ENGINEERING 2007
Atlanta Gold Project – Gold And Silver Resources
Class Ounces
Gold Ounces Silver
Measured 986,000 2,577,000
Indicated 567,000 1,240,000
Measured + Indicated 1,553,000 3,817,000
Inferred 746,000 1,573,000
Atlanta Gold Project – Saleable Gold and Silver Reserves
Class Ounces
Gold
Ounces
Silver
Gold Equivalent
Ounces
Proven 587,000 1,224,000 611,000
Probable 149,000 298,000 155,000
Total 736,000 1,522,000 766,000
*Note: P&E has not conducted the work necessary to verify the classification of the mineral resource estimates and
the resource estimates therefore, cannot be treated as NI 43-101 defined resources verified by a qualified
person. Therefore the resource/reserve estimates presented in the Table above should not be relied upon.
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6.2.3 2009 Josey Mineral Resource Estimate
A Mineral Resource Estimate prepared by Josey (2009) was presented in a report titled “National
Instrument 43-101 Technical Report and Resource Estimate of the Atlanta Project Elmore
County, Idaho, USA” and dated March 30, 2009. Although results of the Mineral Resource
Estimate are briefly summarized below the reader is referred to the above report for a more
detailed presentation.
The computer models used by Josey (2009) are similar to those previously done by him for the
Behre Dolbear 2004 Technical Report and the 2005 Feasibility Study as well as for the 2007
Vector Engineering report.
Gold mineralization at the Atlanta Project is primarily controlled by a major sub-vertical Shear
Zone, as are secondary veins and structural splits. Three separate mineralized bodies have been
defined: the East Extension mineralization to the east, the Monarch zone immediately west of the
East Extension, and the Idaho zone to the west of the Monarch. The Monarch and Idaho
presently constitute the two principle zones and are separated by an under drilled essentially
barren area (Figure 6.1). The Monarch zone appears to be more controlled by the Shear Zone,
and exhibits stronger grade continuity.
Gold resources at the Atlanta Project have been classified into measured, indicated and inferred
resource categories using the anisotropy distance to the nearest composite and the number of drill
holes used to estimate the block gold grade. For blocks inside the gold mineral envelope of the
Monarch zone and East Extension zones, a measured block is defined by a distance of less than
85.5 feet and at least three drill holes; an indicated block is defined by a distance of 171 feet and
at least two drill holes, and the remaining blocks with a gold grade estimate are classified as
inferred. For blocks outside the gold mineral envelope of the Monarch zone and East Extension
zones only indicated and inferred blocks were defined. An indicated block is defined by a
distance of 85.5 feet and at least two drill holes, and the remaining blocks with a gold grade
estimate were classified as inferred.
For blocks inside the gold mineral envelope of the Idaho zone, a measured block is defined by a
distance of less than 99 feet and at least three drill holes; an indicated block is defined by a
distance of 198 feet and at least two drill holes, and the remaining blocks with a gold grade
estimate are classified as inferred. For blocks outside the gold mineral envelope of the Idaho
zone, only indicated and inferred blocks were defined. An indicated block is defined by a
distance of 99 feet and at least two drill holes, and the remaining blocks with a gold grade
estimate were classified as inferred.
The total Measured and Indicated resource for the Project, effective as of March 30, 2009, is
estimated at 3.00 million tons above cut-off grades of 0.05 opt for the mini-pit resource and
0.100 opt Au for the underground resource with an average grade of 0.154 opt Au and 0.357 opt
Ag, that contain 460,300 ounces of gold and 1,069,900 ounces of silver, respectively, or
474,900 equivalent ounces (including silver resources as a gold equivalent). Table 6.5 outlines
the total Measured and Indicated Mineral Resources estimated by Josey (2009) while Table 6.6
provides a Summary of the Overall Resource Estimates Using a Range of Cut-Off Grades
It should be noted that the mineral resource estimates presented in Table 6.4 and Table 6.5 are
based on prior data and reports prepared by previous operators. P&E has not conducted the work
necessary to verify the classification of the resource estimates and therefore such estimates
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cannot be treated nor relied upon for purposes of this Report as NI 43-101 defined resources
verified by a qualified person.
Figure 6.1 3-D Mineralization Solids of Atlanta Project (Looking 325o)
Source: Behre Dolbear, 2005
TABLE 6.5
SUMMARY OF MEASURED AND INDICATED RESOURCE ESTIMATE JOSEY (2009)
Atlanta Gold Measured and Indicated Resources
Area
GOLD SILVER
Total
Equivalent
Ounces of
Gold6
(000's)
Cut-
Off
Grade
(opt)
Gold
Grade
(opt)
Tons
(000’s)
Ounces
of Gold
(000’s)
Ratio of
Silver
to Gold
Ounces
Ounces
of
Silver
(000's)
Price
Factor2
Gold
Price /
Silver
Price
Equivalent
Ounces of
Gold
(000's)
Mini-Pit Resource
East and West
Monarch1
0.05 0.111 419.3 46.4 4.284 198.6 73.7 2.7 49.1
Idaho1 0.05 0.060 82.3 4.9 4.28
4 21.1 73.7 0.3 5.2
Total Mini Pit
Resource 0.095 501.6 51.3 4.28
4 219.7 3.0 54.3
Underground Resource
Monarch and
Idaho1
0.10 0.161 2,125.8 343.3 2.02 797.7 73.7 10.8 354.1
East
Extension5
0.10 0.177 370.5 65.7 0.80 52.5 73.7 0.7 66.4
Total
Underground
Resource
0.10 0.164 2,496.3 409.0 1.81 850.2 73.7 11.5 420.5
Total Resource 0.1543 2,997.9 460.3 2.12 1,069.9 14.5 474.9
1.) Based on a compilation of the same input data used for the 2007 Technical Report which is Canadian
National Instrument 43-101(“NI 43-101”) compliant
2.) Price Factor, using closing prices as of the close of business on November 3, 2008 on New York Globex is
73.70 (US$722.00 per ounce of gold / US$9.79 per ounce of silver)
3.) Average grade of gold per ton = 0.154 ounces per ton (460,300 ounces / 2,997,900 tons)
4.) Estimated ratio of silver to gold ounces
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5.) The resource for the East Extension is a total resource. It has not been decided with certainty whether the
East Extension area can be mined by open pit methods or underground or both.
6.) The average grade of gold equivalent (including silver resources as a gold equivalent) per ton = 0.158
ounces per ton (474,900 ounces / 2,997,900 tons)
TABLE 6.6
JOSEY (2009) RESOURCE ESTIMATES AT A RANGE OF CUT-OFF GRADES
OVERALL ATLANTA RESOURCE
CUT-OFF
GRADE
(opt Au) CLASS
TONS
(000’s
GOLD (Au) SILVER (Ag)
Grade
(opt)
Ounces
(000’s)
Grade
(opt)
Ounces
(000’s)
0.025
Measured 15,452.2 0.063 974.1 0.097 2,564.4
Indicated 5,706.4 0.055 313.5 0.107 609.6
Measured
+Indicated 21,158.6 0.061 1,287.6 0.150 3,174.0
Inferred 9,520.9 0.053 499.8 0.067 636.4
0.050
Measured 7,328.7 0.094 688.5 0.246 1,805.7
Indicated 3,024.6 0.091 275.7 0.137 415.1
Measured
+Indicated 10,353.3 0.093 964.2 0.215 2,220.8
Inferred 2,933.5 0.049 143.6 0.102 298.8
0.100
Measured 1,949.2 0.164 319.8 0.437 851.4
Indicated 741.4 0.163 121.0 0.185 137.4
Measured
+Indicated 2,690.6 0.164 440.8 0.368 988.8
Inferred 919.6 0.150 138.2 0.168 154.0
0.150
Measured 750.6 0.236 176.9 0.623 467.8
Indicated 322.1 0.222 71.6 0.204 65.8
Measured
+Indicated 1,072.7 0.232 248.5 0.497 533.6
Inferred 299.5 0.214 64.2 0.075 22.3
In June 2011 P&E completed a re-evaluation of the mineral resource estimate at the Company‟s
Atlanta Gold Project in Idaho, USA, previously announced on January 6, 2011. The increase
over the previous mineral resource estimate was primarily attributable to expansion of the
conceptual open pit shell onto unpatented lands and to a lesser extent due to increases in trailing
average metal prices, offset somewhat by increases in estimated operating costs.
6.3 HISTORICAL PRODUCTION
Precious Metals
To the authors knowledge there are no accurate accounts outlining the mineral production from
the Property. However, the production of gold and silver from the various mines along the
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Atlanta lode has been estimated to have totalled approximately 297,000 ounces of gold and
2,600,000 ounces of silver. This is probably a conservative estimate due to such factors as lack
of information on the early production years and inconsistency in reporting data to the U.S.
Bureau of Mines.
Tungsten
From April 1, 1942 to July 31, 1943, the Talache mill which was located on the Atlanta property
processed 363,615 pounds of tungsten concentrate which contained 37,835 pounds or 10.41%
tungsten trioxide (WO3) extracted from 16,895 tons of ore. The Table 6.7 below shows the
historical monthly production reports from the Talache mill.
TABLE 6.7
HISTORICAL PRODUCTION REPORTS FROM TALACHE MILL*
Report Date Tonnage Assay Pounds WO3
Recovery % Concentrates
Heads Tails Heads Tails Pounds WO3 % WO3 Pounds
1942
April 30 957 0.100 0.020 1,848.0 418.6 80.0 23,028 6.20 1,428
May 31 1,452 0.080 0.020 2,317.2 673.5 70.8 12,615 13.00 1,640
June 30 1,258 0.090 0.026 2,334.4 694.5 70.2 16,988 9.60 1,631
July 31 1,156 0.237 0.066 5,481.6 1,533.4 72.0 26,329 15.00 3,949
August 31 1,108 0.207 0.034 4,604.0 766.5 83.4 21,414 17.92 3,837
September 30 1,326 0.185 0.041 2,915.6 1,096.8 77.7 24,603 15.50 3,813
October 31 1,842 0.146 0.022 5,412.0 793.0 85.3 41,908 11.00 4,610
November 30 2,603 0.167 0.027 8,725.4 1,408.8 83.8 60,433 12.10 7,312
December 31 1,974 0.161 0.034 6,393.9 1,445.4 77.4 45,502 10.87 4,946
1943
January 31 2,174 0.109 0.035 4,763.0 1,507.7 68.3 53,103 6.10 3,239
February 28 915 0.103 0.036 1,891.7 659.8 65.1 34,051 3.60 1,226
July 31 131 0.110 0.038 302.8 99.4 67.0 3,641 5.58 203
Total 16,895 363,615 10.41 37,835
*Source: Daily and Accumulative Mill Report, Monarch Greenback LLC historical records
The above data is historical in nature, predates National Instrument 43-101 enforcements and has
not been reviewed by a qualified person compliant with NI 43-101. Historical production does
not guarantee future production or the discovery of a resource. However the Company believes
that these historical results provide an indication of the Property‟s tungsten potential and are
therefore relevant to ongoing exploration.
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7.0 GEOLOGICAL SETTING AND MINERALIZATION
7.1 REGIONAL GEOLOGY
Central and south central Idaho is dominated by granitic rocks belonging to the Cretaceous-age
Idaho Batholith. The batholith was emplaced as a less dense buoyant mass displacing the more
dense Belt series metasedimentats. Many Tertiary plutons were emplaced approximately 44
million years ago throughout the batholith. Tertiary dike swarms, which trend in a northeast
direction, seem to be related to the metallogenic periods within the batholiths (Figure 7.1).
The Atlanta Hill area is underlain by biotite granodiorite of Cretaceous age and is part of the vast
expanse of the Idaho Batholith. North of Atlanta, biotite granite (pink granite) has intruded into
the older biotite granodiorite. West of Atlanta, from the vicinity of Steel Mountain to the western
side of the Hailey 10 x 20 quadrangle, the Cretaceous biotite granodiorite also has been intruded
by northeast-trending plutonic rocks of Eocene age.
Trending northeast, parallel to the belt of Eocene plutonic rocks are swarms of Tertiary dikes,
most commonly rhyolite. These dikes are likely controlled by major northeast trending faults.
Cutting across all of the rocks are regional northwest trending faults, of which the Montezuma
fault passes along the eastern side of the town of Atlanta and continues up Montezuma Creek
into the northeastern portion of the Atlanta project area.
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Figure 7.1 General Geology of the Hailey Quadrangle, Idaho
Source: Kilsgaard and Bacon, 2004
7.2 GEOLOGY OF THE PROPERTY
Geology of the Atlanta Hill area is dominated by biotite granodiorite of the Idaho Batholith.
Locally, pegmatite and aplite dikes occur, but are limited in both length and width. A post-
mineral andesite dike occurs along the Atlanta lode east of the Monarch shaft and reaches widths
of up to five feet. Faults in the area include the Montezuma Fault in the northeast portion of the
Property that defines the eastern termination of the Atlanta lode. The Atlanta lode itself is located
within a near-vertical shear zone that traverses the Property in a northeast trend. Several other
northeast and northwest-trending faults occur throughout the Property.
The Atlanta deposit is a product of near-vertical fracture zones or shears, which were produced
by horizontal shearing stress and subsequent repeated injection of mineralized fluids. The main
shear, the Atlanta lode, strikes in a N60E direction but has a curvilinear trend. The lode is
dipping steeply to the southeast near the west end of the main shear and steeply to the northwest
in the eastern portion of the shear.
Lateral or gash veins extend obliquely away from the Atlanta lode primarily on the north side of
the shear zone. These lateral veins have the effect of increasing the overall width of the shear
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zone where they intersect the main lode. Typically, the lateral veins decrease in gold grade with
increasing distance from the main lode, but several of these have had economic potential as
demonstrated by the past production along these structures. Other vein structures do not intersect
the main Atlanta shear zone and have had histories of mine production such as the Bascom and
Tahoma veins. Figure 7.2 shows the main Atlanta shear zone, Bascom, Tahoma, and the
associated lateral veins as well as drill hole collar locations from the 2002 drilling campaigns.
Figure 7.2 Shear Zones and Drill Collar Locations
Biotite granodiorite along the Atlanta lode and associated gash veins have been affected to
varying degrees by hydrothermal alteration. As the lode is approached from either the northwest
or southeast, biotite in the granodiorite becomes increasingly altered to chlorite. The chloritic
zone may range from only a few feet to as much as 50 feet in thickness, and is far more
developed on the northwest side of the lode. The zone of chloritic alteration on the southwest
side is much narrower.
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With increasing intensive chloritic alteration, feldspars lose their crystalline appearance and
begin stages of argillic alteration to clay minerals and sericite. With increasing sericite content of
the rock, the abundance of quartz increases from disseminated quartz in the intensely altered
rock, to veinlets of quartz, and finally to large masses and veins of quartz. Most of the gold and
silver-bearing minerals and various other sulfide minerals are contained within, or are associated
with, the more intensely silicified zones.
Alteration along the Atlanta lode and associated gash veins range from zones of intense
alteration at, or within, the more mineralized parts of the lode, and to decreasingly altered zones
away from the inner core. Aside from the abrupt walls of a quartz vein, there are no demarcation
lines between the different alteration zones. Further, the zones commonly overlap to the point
where separation of the individual zones is difficult to distinguish. (Figure 7.3)
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Figure 7.3 Cross-section view of the Epithermal-type Atlanta Shear
Source: Hingley and Bacon, 2004
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Altered and unaltered rocks in the deposit are described as follows:
Biotite Granodiorite — Fresh
Rock is hard, usually gray in color, biotite is hard and black, feldspars are clear to white to
pinkish tan and can be distinguished from the mostly clear plagioclase, which exhibits excellent
twinning. Strong granitic texture, and occasional microfractures contain very fine-grained pyrite
and chalcopyrite.
Biotite Granodiorite — Weakly Altered
Exhibits an overall iron oxide stain (usually goethite) to the point where the biotite is strongly
chloritized and begins to disappear. Visible twinned plagioclase and granitic texture is still
distinct. Minor pyrite and sphalerite may occur with beginning stages of feldspars altered to
kaolinite and smectite.
Biotite Granodiorite — Moderately Altered
Biotite grains are absent but the granitic texture is still visible. Two feldspars are possible to
identify although not distinctly. Weak to moderate sulfide mineralization may be present and
visible clay minerals are abundant.
Biotite Granodiorite — Strongly Altered
Granitic texture ranges from barely visible to indistinguishable. It is impossible to identify the
two feldspars as the rock is strongly sericitized or silicified. Where silicified, the relic granitic
texture can barely be seen. Sulfide mineralization is usually disseminated throughout, including
fresh euhedral (granular) pyrite, euhedral acicular arsenopyrite, and very fine-grained dark
sulfides. Often there are blebs or veinlets of dark, very fine-grained sulfides.
Quartz — Very strong Silicification
The quartz is microcrystaline in texture and light gray or white where no sulfides are present.
Hematite or limonite stained with sparse pseudomorphs after pyrite where sulfides are present.
Very finely-disseminated fluid inclusions can he identified throughout
7.3 MINERALIZATION
The mineralization at the Property is directly related to the relative porosity of the rock. The
Atlanta lode is comprised of the Monarch, Buffalo, Old Chunk, Pettit and Central Ore Shoots.
The occurrence of the primary ore shoots was dictated by rock porosity and permeability, vein
intersections, stage of brecciation and some minor post-mineral dike replacement.
The greatest influence on the deposit, with regards to high grade ore bearing solutions, is the
convergence of the gash lateral veins with the main Atlanta shear. The majority of these lateral
gash veins occur north and south of the main Atlanta shear at approximately 30 degrees to the
strike of the system and usually intersect the Atlanta shear in areas with evidence of heavy
mining activity. The intersection of the gash veins with the main shear structures created an area
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of increased permeability and porosity which constrained fluid circulation and thus created a
suitable location for mineral emplacement.
The Atlanta lode consists largely of fine-grained quartz, part of which contains widespread,
relatively abundant, finely crystalline arsenopyrite and pyrite. The valuable minerals, gold and an
assemblage of complex silver sulphosalts accompanied by minor amounts of pyrite and
negligible amounts of lead, zinc, and copper sulfides, are associated with comb and drusy quartz.
Two stages of fine-grained quartz deposition with the second stage accompanied by arsenopyrite,
preceded the introduction and deposition of the comb and drusy quartz and associated ore
minerals. A minor amount of quartz and calcite was deposited later.
Ore minerals present in quantities to be recognizable in outcrop, reverse circulation (RC) drill
cuttings, and core include native gold, proustite, pyrargyrite, chalcopyrite, arsenopyrite, pyrite,
goethite, limonite, and scorodite. Gangue minerals include quartz, calcite and sericite.
Although silver exceeds gold in weight, gold has been the most valuable metal produced from
the Atlanta lode. Much of the gold is microscopic in size although free gold is present in a size
large enough to be seen occasionally in core samples. Tests of sulfide concentrates by Hazen
Research Inc. indicate that approximately half of the gold is free metallic gold and the other half
is structurally associated with arsenopyrite and arsenic-bearing pyrite.
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8.0 DEPOSIT TYPES
The mineralization and alteration in the Atlanta Hill area are indicative of an epithermal gold-
silver environment. The predominant alteration in the country rock is due to hydrothermal fluids
flowing through fractures which were subsequently filled by vein minerals. The alteration pattern
present on Atlanta Hill is similar to epithermal gold-silver vein systems in other mining districts
in the western part of the United States.
Epithermal gold-silver deposits are comprised of veins and disseminations near the Earth‟s
surface (<1.5 km) in volcanic, sedimentary rocks, sediments and sometimes in metamorphic
rocks. These deposits are sometimes found in association with hot springs and frequently occur
at centres of young volcanism (Figure 8.1)
Epithermal gold deposits are a type of lode deposit containing economic concentrations of Au
(+/- Ag and base metals). These types of deposits form in a variety of host rocks due to the
migration of hydrothermal fluids, usually through replacement (i.e. by solution and
reprecipitation) or by open-space filling (e.g. veins, breccias, pore spaces). The Atlanta deposit is
formed in near-vertical shear zones produced by horizontal shearing stress and the subsequent
injection of mineralized fluids. Mineralogical, textural, and alteration features of the Atlanta lode
and associated gash veins indicate derivation from ascending hydrothermal solutions. The
various features are typical of epithermal gold-silver deposits associated with Tertiary plutonic
activity in central Idaho, particularly those deposits that commonly extend along or near north-
east trending faults.
In classic examples, alteration along epithermal veins, the outer chloritic (propylitic) zone
represents mild hydrothermal alteration, followed progressively by more intensive argillic,
sericitic and silicic alteration as the vein is approached (Figure 7.3).
The Atlanta lode was considered to be a shallow, bonanza-like epithermal deposit. It was noted
that none of the commercial ore shoots of the Atlanta lode extended through a vertical range of
more than 820 feet (250 metres). Recent exploratory drilling results indicated a greater range of
gold-silver mineralization is present, with grades of 0.658 opt (22.56 gpt) gold intercepted
1,804 feet (550 metres) below the point of highest outcrop of the Atlanta lode which is at
7,200 feet (2,195 metres) amsl. Whether the gold at this greater depth is part of a commercially-
viable ore shoot remains to be proven.
It should be noted that the epithermal origin for the deposit is not compatible with fluid inclusion
studies performed by Fluid Inc. of Denver, Colorado, which indicate that the quartz formed at a
depth of 0.9 to 1.9 miles (1.5 to 3 kilometres), at temperatures less than 2000 oC. The suggested
formation temperature is compatible with those normally associated with epithermal deposits but
the depths are somewhat deeper than are commonly associated with epithermal deposits. Also,
epithermal deposits are generally found to be of Tertiary age, whereas a pre-Eocene age for the
Tahoma vein is supported by the apparent crosscutting of the vein by an Eocene or younger
rhyolite dike. Isotope dating of sericite from veins on Atlanta Hill date from the early Tertiary to
late Cretaceous.
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Figure 8.1 Conceptual Model Illustrating Styles of Magmatic Arc Porphyry Cu-Au and
Epithermal Au-Ag Mineralization
Source: Corbett 2007
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9.0 EXPLORATION
The only exploration activities, other than drilling, undertaken by Atlanta over 2009 and 2010
were two surface trenching programs, along with some soil sampling, which have been described
in Sections 9.1 and 9.2 below. Also included within Section 9.3, is a brief description of a
historical data compilation for the Tahoma structure within the Property to enable further
exploration of this area.
9.1 2009 SURFACE TRENCHING AND SOIL SAMPLING PROGRAM
Subsequent to the successful 2008 surface trenching program, which exposed and identified
significant gold-bearing mineralization in 22 out of 25 trenches made along-strike of the Atlanta
Shear Zone, a follow-up program was designed to facilitate the expansion of the encouraging
areas along strike of the Atlanta Shear Zone. These areas included Idaho, Monarch and East
Extension.
During the 2009 trenching program, Atlanta carried out further trenching in the East Monarch
and East Extension areas, covering an area 98.4 feet (30 m) north and 98.4 feet (30 m) south of
the Atlanta Shear Zone, as well as within the Shear Zone area from the Monarch shaft to the
698.6 feet (213 m) level of the East Extension above the 600 portal. In the area between the
trenches and 98.4 feet (30 m) north and south of the trenches, the A, B, and C soil horizons were
sampled at 26 feet (8 m) centres.
Additional trenches, with a total length of over 1,400 feet (427 m), were completed in the west
end of the Idaho zone to the Buffalo zone in the east. These trenches had an average length of
98.4 feet (30 m) and were excavated to a depth of up to 13 feet (4 m). These trenches were
sampled in 2010.
In total, approximately 1,000 trench and soil samples (of which 512 were trench samples) were
sent for assaying during the 2009 trenching and soil sampling programs. Along with the
2008 trenching program, significant gold-bearing mineralization was exposed and identified in
greater than 95% of the returned samples sent for assaying. A total of 12 trenches (T09-1 to T09-
12) over 2,562.7 feet (780.3 m) were completed in the 2009 trenching program and a summary
of the gold and silver mineralization is given in Table 9.1.
9.2 2010 SURFACE TRENCHING PROGRAM
In 2010, Atlanta continued exploration with additional surface trenching at the Property to
further evaluate the near surface potential of the Atlanta Shear Zone. During the 2010 surface
trenching program a total of seven trenches over 213.9 feet (65.2 m) were completed within the
Tahoma area. Trenches were cut perpendicular to the zone and all trenches were surveyed and
sampled. A total of 99 soil samples were sent for assaying and analysed for both gold and silver.
At the completion of the 2009-2010 surface trenching programs a total of 19 trenches over
2,773.2 feet (845.5 m) were sampled with 611 samples being sent for analysis. Atlanta intends to
utilize the exploration trench samples to assist in identifying additional drill targets on splays
north and south of the main shear zone.
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A summary of the gold and silver mineralization for the 2009-2010 trenching programs is given
in Table 9.1.
TABLE 9.1
ATLANTA 2009-2010 SURFACE TRENCHING PROGRAM MINERALIZED INTERCEPTS
Trench ID From
(ft)
To
(ft)
Width
(ft)
True Width
(ft)
Assay (oz
Au/t)
Assay (oz
Ag/t)
T09-1
69.9 75.1 4.9 4.9 0.033 0.035
85.0 89.9 4.9 4.9 0.048 0.064
95.1 100.0 4.9 4.9 0.025 0.074
109.9 115.1 4.9 4.9 0.030 0.049
125.0 245.0 120.0 120.0 0.064 0.081
245.0 265.0 20.0 20.0 0.114 0.113
265.0 305.0 40.0 40.0 0.060 0.074
T09-2 95.1 100.0 4.9 4.9 0.036 0.018
262.4 305.0 40.0 40.0 0.030 0.183
T09-3 64.9 75.1 9.8 9.8 0.035 0.138
T09-8
115.1 120.0 4.9 4.9 0.024 0.071
125.0 134.8 9.8 9.8 0.030 0.035
145.0 149.9 4.9 4.9 0.035 0.035
154.8 160.1 4.9 4.9 0.042 0.459
T09-9
80.0 85.0 4.9 4.9 0.035 0.039
105.0 125.0 20.0 20.0 0.026 0.035
160.1 165.0 4.9 4.9 0.025 0.035
T09-10 105.0 109.9 4.9 4.9 0.037 0.067
T09-11 0.0 4.9 4.9 4.9 0.024 0.028
T09-4
174.8 180.1 4.9 4.9 0.025 0.049
189.9 194.8 4.9 4.9 0.137 0.085
220.1 234.8 15.1 15.1 0.054 0.120
240.1 245.0 4.9 4.9 0.037 0.106
274.9 279.8 4.9 4.9 0.029 0.120
399.8 404.8 4.9 4.9 0.028 0.049
T09-12 4.9 9.8 4.9 4.9 0.037 0.046
20.0 44.9 24.9 24.9 0.038 0.102
T09-5
109.9 115.1 4.9 4.9 0.037 0.243
174.8 180.1 4.9 4.9 0.046 0.279
200.1 205.0 4.9 4.9 0.075 0.134
214.8 245.0 29.8 29.8 0.042 0.116
T09-6
0.0 4.9 4.9 4.9 0.050 0.085
40.0 44.9 4.9 4.9 0.028 0.095
49.9 64.9 15.1 15.1 0.036 0.053
89.9 100.0 9.8 9.8 0.029 0.095
105.0 109.9 4.9 4.9 0.054 0.049
115.1 160.1 44.9 44.9 0.031 0.067
169.9 174.8 4.9 4.9 0.037 0.028
180.1 200.1 20.0 20.0 0.047 0.021
T09-7 9.8 15.1 4.9 4.9 0.024 0.032
29.8 35.1 4.9 4.9 0.052 0.049
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TABLE 9.1
ATLANTA 2009-2010 SURFACE TRENCHING PROGRAM MINERALIZED INTERCEPTS
Trench ID From
(ft)
To
(ft)
Width
(ft)
True Width
(ft)
Assay (oz
Au/t)
Assay (oz
Ag/t)
80.0 95.1 15.1 15.1 0.029 0.074
100.0 115.1 15.1 15.1 0.043 0.081
134.8 140.1 4.9 4.9 0.033 0.127
149.9 160.1 9.8 9.8 0.073 0.141
165.0 169.9 4.9 4.9 0.026 0.134
Tah10-1A
54.1 64.0 9.8 9.8 0.039 0.208
74.1 80.0 5.9 5.9 0.048 0.723
80.0 85.9 5.9 5.9 0.065 3.056
Tah10-2A
41.0 44.0 3.0 3.0 0.037 0.131
44.0 45.9 2.0 2.0 0.040 0.049
56.1 61.0 4.9 4.9 0.033 0.480
T10-Sp7-T1
20.0 24.9 4.9 4.9 0.051 0.014
24.9 29.8 4.9 4.9 0.046 0.025
T10-Sp7-T2
75.1 80.0 4.9 4.9 0.118 0.007
80.0 85.0 4.9 4.9 0.096 0.004
85.0 89.9 4.9 4.9 0.155 0.004
T10-Sp7-T3
20.0 24.9 4.9 4.9 0.105 0.120
24.9 29.8 4.9 4.9 0.059 0.004
69.9 80.0 9.8 9.8 0.224 0.021
T10-Sp7-T4 20.0 29.8 9.8 9.8 0.173 0.081
9.3 HISTORICAL EXPLORATION DATA COMPILED FOR TAHOMA SHEAR
During 2010, Atlanta compiled all available historical exploration data on the Tahoma structure
at the Property with the intention of carrying out follow-up trenching and drilling on the structure
following completion of the 2010 exploration program.
Historic records have indicated that significant size lode deposits were discovered and mined and
more recent surface sampling of the Tahoma structure has also revealed significant gold grades.
Based on the historical data, the surface expression of the Tahoma shear structure extends over a
distance of at least 3,998.32 feet (1,219.2 m) and can be observed in both outcrop and trenches
along its entire strike length. The Tahoma structure remains open along strike and at depth.
The historical data also indicates that the Monarch, Pettit, Last Chance, Minerva and Tahoma
mines also appear to be part of a larger system of buried mineralization.
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10.0 DRILLING
10.1 INTRODUCTION
Following the 2008 surface drilling program, which comprised 15,072 feet (4,595 m) of coring
in 57 holes, the Company designed a follow-up surface drilling program to be undertaken over
two years from 2009 to 2010. Previous exploration carried out by Atlanta at the Property had
identified several excellent exploration targets as well as extended the length of the Atlanta Shear
Zone from 1.5 to 2.2 miles (2.4 to 3.5 km). Following this campaign, zone width was known to
range from 29.5 to 121 feet (9-37 m) and mineralization to extend from the surface to a vertical
depth of 1,850 feet (564 m), with numerous splays branching off to the northwest and southeast
along the main Shear. Mineralization was also open to both the east and west.
The objectives of the 2009-2010 exploration programs were to increase the size of the near-
surface, shallow open-pit resource which could be mined at a relatively low cost, to increase the
size of the sparsely-drilled higher-grade (0.35 oz Au/t (+12.0 g Au/t)) zones found between the
Monarch and Idaho areas in both the west and east and to confirm continuity between these
higher-grade zones.
The 2009-2010 surface drilling programs were planned to include components of shallow infill
core drilling to a depth of 400 feet (122 m) at the East Extension, West Monarch zones to
confirm surface findings and delineate continuity and grade of gold-silver mineralization, as well
as intermediate depth drilling to approximately 1,300 feet (400 m). The intermediate zone (below
6200 ft. elevation) between the Newmont to the West and the Glaspey zone in the East, there is
1,970 (600 m) that remains unexplored.”
10.2 2009 SURFACE DRILLING PROGRAM
A short six-hole surface drilling program over a total of 3,041 feet (927 m) was carried out by
Atlanta in 2009 at the East Extension of the Property. The drill program was designed to better
define the open pit and underground potential within this area with the use of definition drilling.
Highlights from the 2009 program included a 5 foot (1.5 m) interception of 0.55 oz Au/t (18.8 g
Au/t) and another three above 0.10 oz Au/t (3.429 g Au/t). A summary of mineralized
interceptions for the six holes drilled is provided below. The true widths of the mineralization in
these drill holes are not precisely known as there is insufficient drill hole density at this time to
be certain.
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TABLE 10.1
ATLANTA 2009 SURFACE DRILLING PROGRAM MINERALIZED AU INTERCEPTS
Hole ID From (ft) To (ft) Width1 (ft)
True Width
(ft)
Assay (oz
Au/t)
D09130E01
335.9 340.8 4.9 3.6 0.029
376.9 381.8 4.9 3.6 0.664
487.7 490.0 2.0 1.3 0.134
533.0 542.8 9.8 6.9 0.208
D09140E02
263.1 272.9 9.8 6.9 0.042
303.1 308.0 4.9 3.6 0.025
342.8 348.0 4.9 3.6 0.038
467.7 487.7 20.0 14.1 0.042
D09145E03
123.0 127.9 4.9 3.6 0.057
132.8 138.1 4.9 3.6 0.033
147.9 152.8 4.9 3.6 0.028
163.0 172.9 9.8 6.9 0.075
D09125E04
323.1 332.9 9.8 6.9 0.031
382.8 388.0 4.9 3.6 0.034
392.9 397.9 4.9 3.6 0.038
448.0 453.0 4.9 3.6 0.347
497.9 507.7 9.8 6.9 0.034
D09085E05 248.0 272.9 24.9 17.4 0.050
288.0 292.9 4.9 3.6 0.074
D09075E06 298.8 344.1 44.9 31.5 0.029
344.1 368.0 23.9 16.7 0.046
(1.) True widths are estimates based on current available data and may be subject to change.
10.3 2010 SURFACE DRILLING PROGRAM
The 2010 surface drilling program undertaken by Atlanta at the Property commenced in May of
2010 with the mobilization of drilling crews and two core drill rigs (a large and a smaller core
rig), operational seven days per week during two 10 to 12 hour rotating shifts. The larger
contractor core drill rig was employed to drill the intermediate depth holes west of the Glaspey
Zone (below the East Extension area) and within the Glaspey Zone itself, to conduct infill
drilling at the Monarch area to better define the mineralization and to drill shallow confirmation
holes. Both the Newmont and Glaspey Zones remain open for expansion. The smaller Company-
owned and operated core drill rig was employed to drill shallow confirmation holes.
During the first phase of the surface drilling program at the Property, Atlanta focused both drills
on shallow confirmation holes in the Monarch area above the Newmont Zone and in the East
Extension area above the Glaspey Zone. The larger drill was then directed to commence drilling
intermediate depth holes to explore deeper horizons east of the Newmont Zone (below the
Monarch area).
All drill holes were oriented in a north-south direction along strike of the 30 to 120 feet
(9 to 37 m) wide Atlanta Shear Zone with an attempt to avoid underground workings. Where
workings were intersected and/or no core was recovered, grades of nil were assigned to those
intervals and these intervals have not been included in the weighted average grades listed in
Table 10.2.
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The 2010 drill program at the Property concluded on November 4, 2010 after the completion of
48 diamond drill holes totalling approximately 39,075 feet (11,910.0 metres). Within this total,
42 were shallow confirmation drill holes totalling 27,173 feet (8,282.4 m) and six were
intermediate depth drill holes totalling 11,902 feet (3,627.8 m).
The following summarizes the highlights from both the shallow confirmation drilling and the
intermediate depth drilling components of the drilling program:
10.3.1 2010 Shallow Confirmation Drilling
All 42 shallow confirmation holes of the 2010 drilling campaign were carried out in the Monarch
and East Extension areas, with the majority of the reported holes intercepting gold
mineralization.
Drill hole D10060E13 intercepted two zones of mineralization averaging 14.54 g Au/t over
10 feet (3.0 m) and 14.33 g Au/t over 20 feet (6.0 m) at vertical depths of approximately 279 feet
(85.0 m) and 499 feet (152.0 m) respectively below the surface. These zones included intercepts
of 27.91 g Au/t over 3 feet (0.8 m) and 41.01 g Au/t over 3 feet (0.8 m).
Drill hole D10154E36, drilled in the East Extension area, confirmed the potential for higher
grade gold mineralization both near the surface and at depth with an intercept of 43.44 g Au/t
over 5 feet (1.5 m). Hole D10144E42, in the final stages of the program intercepted a high value
of 9.36 g Au/t over 5 feet (1.5 m).
An exploration hole, D10026E38, was drilled at the Monarch area to test for splays, which were
intercepted from 535 to 541 feet (163.1 to 164.9 m) and 818 to 884 feet (249.3 to 269.4 m), with
the most impressive assays contained in the Atlanta Shear Zone between 995 to 1,058 feet
(303.3 to 322.5 m).
A summary of mineralized intercepts is given in Table 10.2 below, with the intermediate depth
holes highlighted in blue. The true widths of the mineralization in these drill holes are not
precisely known as there is insufficient drill hole density at this time to be certain. 42 were
shallow confirmation drill holes totalling 27,173 feet (8,282.4 m) and six were intermediate
depth drill holes totalling 11,902 feet (3,627.8 m).
The following summarizes the highlights from both the shallow confirmation drilling and the
intermediate depth drilling components of the drilling program:
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TABLE 10.2
ATLANTA 2010 SURFACE DRILLING PROGRAM MINERALIZED AU INTERCEPTS
Hole ID From
(ft) To (ft)
Width
(ft)
True Width1
(ft)
Assay2(oz
Au/t)
Assay (oz
Ag/t)
D10241E01 220.1 225.0 4.9 3.6 0.073 0.003
319.8 325.0 4.9 3.6 0.058 0.002
D10248E02 Less than 0.048 oz Au/t
D10248E03 Less than 0.048 oz Au/t
D10231E04 279.8 290.0 9.8 6.9 0.061 0.002
394.9 404.8 9.8 6.9 0.576 0.020
D1014E05 Less than 0.048 oz Au/t
D10221E06 294.9 299.8 4.9 3.6 0.137 0.005
D10101W01 744.9 754.7 9.8 6.6 0.184 0.006
784.9 794.7 9.8 6.6 0.164 0.006
D10101W02
909.9 929.9 20.0 12.1 0.063 0.002
949.9 959.7 9.8 5.9 0.057 0.002
994.8 1009.6 15.1 8.9 0.075 0.003
D10085W03 599.9 619.9 20.0 14.1 0.106 0.004
954.8 959.7 4.9 3.6 0.048 0.002
D10085W04 1004.7 1029.6 24.9 16.4 0.049 0.002
1139.8 1169.6 29.8 19.4 0.066 0.002
D10078W05 994.8 1004.7 9.8 5.9 0.065 0.002
1019.8 1064.7 44.9 26.9 0.059 0.002
D10194E07 305.0 310.0 4.9 2.6 0.359 0.013
D10194E08 314.9 330.0 15.1 6.9 0.049 0.002
D10194E10 370.0 374.9 4.9 3.6 0.157 0.006
D10204E12 234.8 249.9 15.1 10.5 0.048 0.002
D10204E14 334.9 339.8 4.9 2.3 0.110 0.004
D10078W07
634.7 649.8 15.1 7.5 0.099 0.003
849.8 864.9 15.1 7.5 0.065 0.002
1144.7 1159.8 15.1 7.5 0.138 0.005
D10060W09
470.0 474.9 4.9 2.6 0.135 0.005
579.9 609.8 29.8 15.1 0.079 0.003
624.8 634.7 9.8 4.9 0.087 0.003
700.0 709.8 9.8 4.9 0.083 0.003
729.8 764.9 35.1 17.4 0.074 0.003
D10060W11 Less than 0.048 oz Au/t
D10026E13
279.8 290.0 9.8 4.9 0.513 0.018
634.7 654.7 20.0 9.8 0.506 0.018
654.7 689.8 35.1 17.4 0.067 0.002
729.8 740.0 9.8 4.9 0.054 0.002
744.9 749.8 4.9 2.6 0.053 0.002
D10214E16 145.0 149.9 4.9 3.6 0.196 0.007
D10214E18 Less than 0.048 oz Au/t
D10184E20 Less than 0.048 oz Au/t
D10164E22 434.9 439.8 4.9 3.6 0.065 0.002
555.0 629.8 75.1 52.5 0.095 0.003
D10026E15 684.9 704.9 20.0 8.9 0.156 0.006
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TABLE 10.2
ATLANTA 2010 SURFACE DRILLING PROGRAM MINERALIZED AU INTERCEPTS
Hole ID From
(ft) To (ft)
Width
(ft)
True Width1
(ft)
Assay2(oz
Au/t)
Assay (oz
Ag/t)
D10026E17
214.8 220.1 4.9 2.0 0.318 0.011
444.8 450.0 4.9 2.0 0.068 0.002
1019.8 1034.8 15.1 5.6 0.222 0.008
1299.5 1349.7 49.9 15.1 0.055 0.002
1454.7 1469.8 15.1 4.6 0.091 0.003
1719.7 1724.6 4.9 1.6 0.104 0.004
D10164E24 Less than 0.048 oz Au/t
D10174E26 524.8 544.8 20.0 9.8 0.056 0.065
D10174E28 365.1 374.9 9.8 5.9 0.068 0.095
599.9 615.0 15.1 8.9 0.068 0.156
D10026E21
964.6 979.7 15.1 5.6 0.246 0.318
1079.8 1084.7 4.9 2.0 0.096 0.068
1244.8 1259.5 15.1 5.6 0.091 0.222
1329.7 1334.6 4.9 2.0 0.053 0.055
1374.6 1404.5 29.8 11.2 0.082 0.091
1409.7 1419.6 9.8 3.6 0.070 0.104
1429.8 1434.7 4.9 2.0 0.098 0.117
1464.5 1469.8 4.9 No Recovery
1469.8 1484.5 15.1 5.6 0.055 0.002
1529.5 1534.7 4.9 No Recovery
1544.6 1549.5 4.9 2.0 0.081 0.003
1559.6 1564.6 4.9 2.0 0.211 0.007
1569.5 1574.7 4.9 No Recovery
1644.6 1664.6 20.0 7.5 0.087 0.003
2014.6 2024.4 9.8 3.9 0.052 0.002
D10184E30
464.8 470.0 4.9 3.6 0.049 0.002
529.7 535.0 4.9 3.6 0.265 0.009
544.8 555.0 9.8 6.9 0.080 0.003
564.8 569.7 4.9 3.6 0.084 0.003
D10154E34 Less than 0.048 oz Au/t
D10154E36
515.0 519.9 4.9 3.0 1.533 0.054
579.9 584.8 4.9 3.0 0.279 0.010
584.8 589.7 4.9 No Recovery
604.8 609.8 4.9 No Recovery
D10105E23
1124.7 1134.6 9.8 3.9 0.134 0.005
1139.8 1169.6 29.8 11.2 0.056 0.002
1204.7 1209.7 4.9 2.0 0.116 0.004
1279.5 1294.6 15.1 5.6 0.074 0.003
D10105E25 799.7 809.8 10.2 3.0 0.081 0.003
954.8 964.6 9.8 3.0 0.053 0.002
D10026E38
700.0 704.9 4.9 3.6 0.252 0.009
994.8 1009.6 14.8 10.5 0.109 0.004
1014.8 1057.8 43.0 30.2 0.095 0.003
D10154E40 379.8 384.7 4.9 2.3 0.134 0.005
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TABLE 10.2
ATLANTA 2010 SURFACE DRILLING PROGRAM MINERALIZED AU INTERCEPTS
Hole ID From
(ft) To (ft)
Width
(ft)
True Width1
(ft)
Assay2(oz
Au/t)
Assay (oz
Ag/t)
604.8 609.8 4.9 2.3 0.064 0.002
D10144E42 509.7 515.0 5.2 3.6 0.330 0.012
D10144E44 595.0 599.9 4.9 3.0 0.235 0.008
D10010E27 1204.7 1209.7 4.9 2.6 0.288 0.010
D10007W29
749.8 759.6 9.8 4.9 0.434 0.015
1294.6 1299.5 4.9 2.6 1.339 0.047
1484.5 1494.7 10.2 4.9 0.683 0.024
1759.4 1789.6 30.2 15.1 0.389 0.014
D10140E48 220.1 229.9 9.8 6.9 0.103 0.004
544.8 549.7 4.9 3.6 0.051 0.002
D10081E50 454.9 464.8 9.8 5.9 0.054 0.002
D10120E52 Less than 0.048 oz Au/t
(1.) True widths are estimates based on current available data and may be subject to change.
(2.) Assays with a value of less than 1.37 g Au/t have not been included within the above table.
10.4 2010 INTERMEDIATE DEPTH DRILLING
A total of six intermediate depth holes were drilled over 11,899 feet (3,627.8 m) with the
objective to explore deeper horizons east of the Newmont Zone (below the Monarch area).
Hole D10026E17, the first intermediate depth hole located east of the Newmont Zone (below the
Monarch area), intercepted mineralization of 0.10 oz Au/t (3.43 g Au /t) from 1,019.8 to
1,034.8 feet (310.9 to 315.5 m), 0.045 oz Au/t (1.55 g Au/t) over 15.09 feet (4.6 m) from
1,299.59 to 1,349.7 feet (396.2 to 411.5 m), 0.075 oz Au/t (2.57 g Au/t) over 4.59 feet (1.4 m)
from 1,454.7 to1,469.8 feet (443.5 to 448.1 m) and 0.085 oz Au/t (2.95 g Au/t) over 4.964 feet
(1.5 m) from 1,719.7 to 1,724.6 feet (524.3 to 525.8 m), confirming the potential for higher grade
gold mineralization at depth.
Hole D10026E21, located 869.2 feet (265.0 m) south of hole D10026E17 east of the Newmont
Zone (below the Monarch area), was drilled to a total depth of 2,059.8 feet (628.0 m) and
towards hole D10026E17. Hole D10026E21 intercepted mineralization of 0.20 oz Au/t
(6.96 g Au/t) over 15 feet (4.57 m), also confirming the potential for higher grade gold
mineralization at depth, with this zone possibly being an extension of the mineralization
identified in the core from hole D10026E17.
Hole D10105E23, the first hole drilled at the East Extension area, approximately 220.1 feet
(61.0 m) west of the westernmost holes in the Glaspey zone (below the Eastern Extension area)
intercepted mineralization of 0.11 oz Au/t (3.81 g Au/t) over 9.84 feet (3.0 m) from
1124.7 to1,169.65 feet (342.9 to 356.6 m) and 29.8 feet (9.1 metres) of 0.047 oz Au/t (1.601 g
Au/t) from 1,139.8 to1,169.7 feet (347.5 m to 356.6 m). The mineralization intercepted in hole
D10026E23 indicating the potential for continuation of the known mineralization and alteration
in the Glaspey Zone to the west where, a similar alteration and structural style was identified east
of the Newmont Zone. The 1,000 ft (305 m) distance between these two zones being virtually
unexplored.
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Hole D10105E25, drilled from the same site as hole D10105E23 but at a steeper angle,
intercepted several zones of mineralization with grades ranging from 0.021 oz Au/t (0.72 g Au/t)
to 0.036 oz Au/t (1.234 g Au/t) from 1,329.7 to1,414.7 feet (405.4 m to 431.3 m). The upper two
intercepts correlate well with the main shear and the lower two intercepts appear to be low-
dipping features and it is not certain how these lower zones relate to the upper zones.
The final two intermediate depth holes, D10010E27 and D10007W29, returned results of 1.11 oz
Au/t (37.95 g Au/t) over 4.92 feet (1.5 m) along with four additional intercepts above 0.23 oz
Au/t (8.0 g Au/t). Hole D10010E27 was collared on the south side of the main shear and drilled
to the east boundary of the Newmont Zone (below the Monarch area) 98.5 feet (30 metres) east
of the nearest drill hole in the Newmont Zone. Hole D10007W29 was collared on the north side
of the main shear and drilled towards 298.5 feet (91 metres) west of the east boundary of the
Newmont Zone.
The 2010 exploration program has resulted in the identification of new structural lode zones and
extensions of vein systems, as well as the confirmation of the continuity of the Atlanta Shear
Zone below existing mine workings to a depth of at least 2,000 feet (610 m) below the surface.
Drill holes D10026E17 and D10026E21 have also indicated that the main shear zone splits into
two individual zones at depth (the North and South Zones).
Based upon the results of the 2009-2010 drilling campaign, further drilling is warranted at the
Property. The Atlanta Shear Zone remains open in several directions, including to depth and
further drill testing of the various major lode systems (including the Minerva, Tahoma and
Bascom lodes) extending from or in close proximity to the shear zone is recommended. In
particular, further drilling is recommended to investigate the continuity of the north-westerly-
trending vein extending from the north side of the Atlanta Shear Zone, 2,640 feet (805 m) south
from the Tahoma structure to determine the relationship and continuity of the Tahoma North to,
and intersect with, the main Shear east of the Monarch shaft.
The Company commenced a drilling program in June 2011.
The exploration objective is to establish continuity of the Atlanta Shear Zone at vertical depths
below 2,000 feet (610 metres) while increasing the gold mineral resource at the Property by:
drilling two deep holes to vertical depths of between 3,500 and 4,200 feet (1,068
and 1,281 metres) respectively to test continuity of the Atlanta Shear Zone at
depth;
increasing the size of the near-surface, shallow open-pit resource which can be
mined at a relatively low cost;
continue infill drilling to upgrade the resource status of the sparsely-drilled
higher-grade (0.35+ ounce per ton) (12.0+ gram per tonne) zones found between
the Monarch and Idaho areas in the west and the East Extension area in the east at
the 900 to 1,200 foot horizon; and
proving confidence in the continuity between these higher-grade zones.
Based on compilation and geological interpretation of the 2010 drilling and trenching data and
subject to receipt of required drilling and other permits and completion of additional short-term
funding of up to C$6 million, the 2011 exploration program includes up to 60,000 feet (18,300
metres) of drilling. The program commenced in June 2011, with the mobilization of three drills.
P&E Mining Consultants Inc. Page 45 of 90
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Targets for this phase of drilling are the three principal gold zones within the Monarch, Idaho
and East Extension areas. The objectives of the Company‟s 2011 program are to upgrade the
confidence category of resources defined during previous drill campaigns, increase the known
resource and further refine the geological model. Subject to the availability of financing, the
Company expects to extend the mineralized systems, continue in-fill and definition drilling in
preparation for an updated Block Model by the fall and an updated NI 43-101 resource estimate
by Q1 OF 2012.
Most of the 2011 drill hole collars will be on private land and, based on past experience, the
Company anticipates that the U.S. Forest Service (“USFS”) will approve the remaining proposed
2011 drill hole collars to be located on USFS land.
The Company plans to complete a total of 84,350 feet (25,710 metres) of diamond drilling with
94 drill holes plus additional infill and exploration drilling in 2011 and 2012 in order to:
define extensions to the higher grade drill intercepts in the Newmont and Glaspey zones
by completing 50,390 feet (15,359 metres) of core drilling to an intermediate depth of
2,000 feet (610 metres) on the East Extension, Monarch and Idaho areas. The 1,300 foot
(396 metre) distance between these highly prospective zones is underexplored as
previous programs focused on shallower, potentially open-pitable mineralization. The
deeper holes are targeting an increase in the underground resource which is currently
21,700 AuEq ounces Indicated and 207,600 AuEq ounces Inferred;
increase the near-surface open-pit resource - currently 697,300 AuEq ounces Indicated
and 82,500 AuEq ounces Inferred by completing 25,360 feet (7,730 metres) of shallow
infill core drilling to a depth of 1,000 feet (305 metres) in the East Extension, West
Monarch and Idaho zones. It is anticipated that the open-pit resource could be mined at a
relatively low cost for the first 19 years of mining assuming an annual production rate of
40,000 AuEq ounces;
further evaluate the near surface potential of the Tahoma Shear Zone by surveying,
sampling and assaying 1,000 feet (305 metres) of trenches along strike of the northwest
trending Tahoma, logging, sampling and assaying 14 drill holes, and sampling and
assaying approximately 300 soil samples.(The 2009 and 2010 trenching programs
exposed and identified significant gold-bearing mineralization in 95% of the returned
samples); and
Continue to evaluate the economic potential of recovering by-products from the Atlanta
Shear Zone.
The 2011 exploration program, as well as the Company‟s other initatives for 2011, will require
that the Company successfully complete additional financings during the remainder of 2011 of
approximately C$6.0 million, which will supplement existing cash on hand. The timing and the
extent of drilling, exploration and other planned activities for 2011 are dependent upon the
availability of additional funding on a timely basis.
P&E Mining Consultants Inc. Page 46 of 90
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11.0 SAMPLE PREPARATION, ANALYSES AND SECURITY
Sampling procedures were established by P&E in order to meet the requirements for NI 43-101
Reporting. Sample procedures followed industry standards with minor specific changes or
additions. Particular attention was paid to checking and verifying the recording of sample data as
compared to the actual samples on a daily basis, to ensure all numbering sequences and samples
were correct.
All drill core logging and sample preparation was conducted by qualified Atlanta personnel to NI
43-101 standards at Atlanta‟s core logging facilities in Atlanta, Idaho, U.S.A. Following the core
logging, the sample boxes were marked (red star) for sampling and were moved to the secured
sample room. The other core boxes not designated for sampling were stored in consecutive order
in secured areas adjacent to the logging and sampling rooms.
The sample procedure included integrating the work of the geologist/splitter and the geo-tech
/recorder. The geologist/splitter conducted the actual splitting and checked the sample interval
against the blocks. The geo-tech/recorder entered the data on the various data sheets, marked the
sample bags and verified the interval being split. Separating the duties worked well in preventing
numbering errors and verifying the actual samples and records.
Samples were marked and split on regular five foot (1.52 metre) intervals using a hydraulic
splitter. The splitter worked better than a saw because the core was generally strongly fractured
in the silicified areas of the Atlanta Shear Zone and this, combined with strong sericite alteration,
made for difficult sawing of rock.
Samples were assigned an individual sample tag number from a pre-numbered sample book. One
half of the core was sampled and bagged and the remaining one half of the core was returned to
the core box for storage, except where the two halves of the same core interval were sent as field
core duplicates.
Remaining samples were returned to the core boxes, which were transported to the adjacent areas
and stored in consecutive order, along with the original unsampled drill hole boxes.
Sample shipments were separated into numbered individual batches of 35 samples each. The KB
drill batches had the prefix batch number KB10-1, KB10-2 etc. The Atlanta drill batches had the
prefix number AG10-1, AG10-2 etc. Other separate sample types included trench samples with
the designation TR09-1, or TR10-1 depending on the year of the trench, and the re-assays of
previous 2007 and 2008 drill core samples which were designated RA10-1 to RA10-4.
Sample data were recorded on four separate sheets that included the Sample Tag Book, the
Sample Shipment Internal and Lab copies, and the Core Sample Record sheet. The Sample Tag
Book included the hole number and footage interval or check sample, and batch number. The
Sample Shipment Internal Copy included the drill hole and sample number and designation of
the duplicates and standards along with the batch number that was for Atlanta‟s information
only. The Sample Shipment Lab Copy included only the sample number and batch number with
some limited sample procedure information and was sent to the analytical lab along with the
samples. The Core Sample Record included the sample number, footage interval, width and
batch number and was the primary link between the sample number and the sample interval. An
individual Core Sample Record was kept for each hole and stored in the drill hole file.
P&E Mining Consultants Inc. Page 47 of 90
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All sample records were checked daily for errors and the Internal and Lab copies were double
checked before final shipment. Individual large rice bags were used to hold the samples and
these were labeled with the batch number and the individual bag number (KB10-1, bag 1 of 4
etc). Generally four rice bags were required for each batch. Individual samples were laid out,
sample numbers identified and verified by the geologist and geo-tech together and then
transferred to the rice bags to ensure that all the correct numbers and documentation were
included in each batch shipment.
Samples were stored in the secured sample room prior to bagging and loading in shipment bins.
Large sample shipment bins holding six or seven batches were obtained from Inspectorate and
were closed with a chain and lock each night until ready for final shipment. The shipment bins
were bound with four metal straps just prior to shipment. A sample transmittal sheet of Lab Copy
was given to the driver and was also included in the first rice bag of each batch. The samples
were transported by Atlanta personnel directly to Inspectorate Group in Sparks, Nevada from the
Atlanta site once a week.
Inspectorate Group has locations in over 100 countries, with eight Exploration & Mining Service
(EMS) hub laboratories around the world. In North America the Sparks (Reno) lab is ISO
9001:2008 certified. The lab participates in round robin testing, such as CanMet, and hires BC
Certified Assayers, experienced technicians and chemists to complete all analytical work.
Inspectorate Group is independent of the issuer of this report.
Split core samples were analyzed for gold using lead collection fire assay with an AAS finish.
All silver was analyzed using acid digest and AAS finish. Silver values greater than 200 g/t Ag
were reanalyzed using fire assay with gravimetric finish.
The author states with confidence that the sample preparation, security and analytical procedures
are adequate and that the data are suitable for the intended purpose of rendering a Resource
Estimate.
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12.0 DATA VERIFICATION
The Property was visited by Mr. Fred Brown, Pr.Sc.Nat, from September 29, 2010 to September
30, 2010. Nine verification samples were collected from four drill holes by taking the entire
remaining half core from the box. At no time were any officers or employees of Atlanta notified
as to the location of any of the samples to be collected.
Samples were tagged, bagged and brought by Mr. Brown to ALS Chemex in Vancouver, British
Columbia, Canada for analysis.
The Vancouver facility operates under ALS Laboratory Group‟s global Quality Management
System and is in compliance with ISO 9001:2000 for the provision of assay and geochemical
services according to QMI-SAI Global Management Systems Registration. The laboratory has
also been accredited to ISO 17025 standards for specific laboratory procedures by the Standards
Council of Canada (SCC).
Results obtained by P&E were very similar to the results obtained by Atlanta for both gold and
silver, (Figure 12.1 and Figure 12.2).
Figure 12.1 Site Visit Sample Results for Gold
0
5
10
15
20
25
30
Au (g/t)
Diamond Drill Hole
Atlanta Gold Project
Site Visit Sample Results for Gold
P&E Au g/t
Atlanta Au g/t
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Atlanta Gold Project, Idaho Report No. 204
Figure 12.2 Site Visit Sample Results for Silver
020406080
100120140160180
Ag (g/t)
Diamond Drill Hole
Atlanta Gold Project
Site Visit Sample Results for Silver
P&E Ag g/t
Atlanta Ag g/t
12.1 ATLANTA GOLD QUALITY CONTROL PROGRAM
The Company instituted a strict quality control, (“QC”) program for the 2010 drilling, which
included assembling the samples into numbered batches of 35 samples. Included in the
35 samples were one blank, two certified reference materials, one core (field), one coarse reject
and one pulp duplicate.
Results of the QC program were monitored by P&E on a real-time basis.
12.1.1 Performance of Certified Reference Materials
Two certified reference materials were purchased from CDN Resource Labs in Langley, British
Columbia and were used on the Project. Both materials were certified for gold only, and the
accuracy of silver was monitored using the lab‟s two certified reference materials.
The reference materials for gold had a total of 197 data points between the two of them. There
were very few problems encountered and in the event a reference material did not pass the
established criteria, the lab was contacted and a rerun was requested.
The two certified reference materials used by the lab to monitor silver had a combined total of
190 data points. There were very few problems encountered and in the event a reference material
did not pass the established criteria, the lab was contacted and a rerun was requested.
In the author‟s opinion all data used in the current resource estimate are considered accurate.
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12.1.2 Performance of Blank Material
The blank material used for the program was a pre-pulverized silica sand purchased from CDN
Resource Labs, which monitored potential analytical contamination. There was a total of 99 data
points for the blank. The blank sample caught one sequencing error, which was dealt with by
requesting a rerun of the batch in question with a new blank inserted. No contamination at the
analytical level was observed.
12.1.3 Performance of Duplicates
Three types of duplicates were prepared and analyzed during the 2010 drill program. Field (1/2
core) duplicate samples were taken at the core shack, and coarse reject and pulp duplicates were
routinely prepared at the lab.
A total of 97 duplicate pairs were analyzed. Precision at the field and coarse reject duplicate
levels was similar, and indicated moderate precision. At the pulp duplicate level, precision was
excellent, with all gold values falling on a 1:1 line and all silver values, (with the exception of
one outlier), falling on a 1:1 line.
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13.0 MINERAL PROCESSING AND METALLURGICAL TESTING
No new processing or metallurgical testing has been conducted by the Company (previously
Twin Mining Corporation) since the early work conducted in the late 1980‟s and 1990‟s
augmented by limited work performed by Kappes Cassidy and Associates in 2003. The
following section draws heavily from the Kappes Cassidy and Associates (2003), Behre Dolbear
(2005) and Josey (2009) reports.
13.1 HEAP LEACH TESTING
It should be noted that the development plans for the Atlanta Project as currently envisioned
by the Company no longer include the option of heap leaching the ore. Instead a concentrate
will be produced at the mine site and shipped to Nevada for processing at an existing facility.
The following section on heap leach testing is therefore no longer relevant but has been
included for the sake of historical completeness.
Several rounds of testing were conducted on samples from the Property to determine
metallurgical recoveries for several process scenarios considered for the property. Bottle roll
cyanidation tests were carried out for many drilled intervals to determine the ore response to
cyanidation. This has resulted in an orebody that had more metallurgical evaluation than a
typical project utilizing cyanidation response test work.
Four metallurgical composite samples were created to focus on the intended heap-leach
processing flowsheet and establish recoveries for two different crush sizes. In February of 2003,
Kappes Cassidy and Associates (“KCA”) began a comprehensive test program on the four
Atlanta composites. Fourteen separate column leach tests were conducted on the individual
composites. The composites represented the Monarch Pit high, the Monarch Pit moderate and the
Monarch Pit low extraction ores and the Idaho Pit combined ores. Bottle roll cyanidation tests
were used to determine the classification of the ore as high, moderate or low extraction. High
extraction ores had gold recoveries in excess of 50% within 24 hours. Moderate extraction ores
had recoveries between 20% and less than 50% within 24 hours. Low extraction ores had less
than 20% recovery within 24 hours. Three of the column leach tests were run through fresh water
rinsing at the conclusion of leaching to help determine the time required for detoxification at the
conclusion of heap leach operations.
The column tests provided leach extraction data for the composites during 120 days of leaching
at two crush sizes; parameters determined included leach time and crush size for the composites
representing the orebody. A nominal minus 3/8-inch crush size was determined to be the optimal
size considering cost and extraction. The data from this testing program was used to assign
metallurgical recoveries to ore blocks in the mine model. The model weight averaged the
recoveries to produce an overall metallurgical recovery for the mineable reserve. The
extrapolated gold recovery for the Monarch Pit, weighted by ore type, is 63.26 percent. The
silver recovery is projected at 50 percent. The gold and silver recoveries for the Idaho Pit are
65.73 percent and 50 percent respectively. The overall weighted recoveries for the Project are
64.0 percent for gold and 50.0 percent for silver.
KCA conducted a total of 31 bulk density measurements according to test procedure ASTM 914:
Standard Test Method for Rock Density and Volume of Solid Refractories by Wax Immersion.
By ignoring the two highest and two lowest density values, the average density was found to be
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2.52 grams per cubic centimetre or 12.7 cubic feet per short ton. This was the bulk density value
used for both the ore and waste for the 2004 Behre Dolbear feasibility study of the Atlanta
Project.
The overall average density of all of the measurements was 2.49 grams/cm3 (12.86 ft
3/ton) and
the range was 2.06 to 2.62 grams/cm3 (15.55 to 12.22 ft
3/ton). The Monarch Pit Low Extraction
average was 2.44 grams/cm3 (13.13 ft
3/ton). The average for the Idaho Pit samples was
2.47 grams/cm3 (12.97 ft
3/ton), and the reject core samples averaged 2.52 grams/cm
3
(12.71 ft3/ton). Prior testing by Hazen (1988) included duplicate testing of three core samples,
called “A”, “B” and “oxide” in their report. Hazen measured densities of 2.66 grams/cm3 to
2.68 grams/cm3 (12.04 ft
3/ton to 11.95 ft
3/ton) with an average of 2.67 grams/cm
3 (12.00 ft
3/ton).
Estimates of densities used by geotechnical engineers for their waste dump designs and for other
purposes were consistent with the KCA data.
The reason that the Behre Dolbear study focused on the KCA samples to the exclusion of other
testing was because there was little variation between the density data sets, the KCA data was
subject to the highest level of quality control and allowed Behre Dolbear to validate that data set,
and the KCA testing was possibly conservative. While there is almost certainly a variation in
density between ore and waste, and possibly within the different ore zones, more data are needed
to be able to reasonably estimate these variations and thus a uniform density 2.52 grams/cm3
(12.7 ft3/ton) was used.
In 2007, Atlanta commissioned further bulk density work and 14 core samples were selected by
rock types, i.e. fresh granodiorite, chloritic granodiorite, argillic granodiorite, and silicic
granodiorite (including veins) and had density measurements completed by Florlin Analytical
Services, which is part of KCA. The argillic and silicic rocks are generally ore and the chloritic
and fresh rocks are generally waste rock.
An average of all samples is 2.53 grams/cm3 (12.65 ft
3/ton); however, when averaged by rock
types the chloritic and fresh rocks are 2.59 grams/cm3 (12.37 ft
3/ton) and the strongly altered
rocks are 2.49 grams/cm3 (12.86 ft
3/ton). Fourteen samples are not enough to change the tonnage
factor currently used, but additional sampling and density measurements may show that the
waste rock and ore do have different densities.
The 2005 Behre Dolbear Feasibility Report proposed that the ore undergo a three-stage crushing
circuit and then be agglomerated with cement and cyanide solution in an agglomeration drum
prior to placement on the leach pads. The ore was to be crushed to a nominal 80 percent passing
3/8-inch size. Two heap leach pads were to be constructed – the Ridge heap leach pad and the
larger Valley heap leach pad. The initial 2.2 million tons of ore were to be placed on the Ridge
Pad with the remainder of the ore to be placed on the Valley pad. This was done so
detoxification and reclamation of the Ridge Pad could commence during the operation of the
Valley Pad, thus decreasing the overall time requirement for this part of the Project. Also, the
volume of ore on the Valley Pad is reduced allowing for additional capacity should additional
reserves be proven or cost reductions should the full potential volume of the pad not be needed.
The pregnant solutions from the heap leaching pads was then to be processed through a carbon
adsorption plant to remove the gold and silver and the barren solution would be recycled to the
heap after adjusting cyanide strength and pH. Provisions were made in the pregnant and barren
pond arrangements to allow for the internal recycling of cyanide solutions to maintain the gold
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and silver content to the carbon adsorption plant. The carbon plant was to operate year round in
conjunction with the leaching operations.
The gold and silver recovered in a concentrated cyanide solution from the stripped carbon would
be recovered in electrolytic cells with the cathodic sludge from the cells to be smelted to produce
gold and silver dore for shipment to a refiner.
13.2 FLOTATION TESTING
Between 1987 and 1989, Hazen Research Inc. conducted a series of flotation test work on ore
samples from the Atlanta Gold Project.
In 1987, a 40-ton bulk sample of mine-run ore was crushed to minus 5/8 inch. The ore was coned
and quartered and approximately 1000-lb split out for testing. The 1000-lb split was crushed to
minus 6 mesh and three samples were split for head assay. An assay pulp was then prepared for
each split. The head assay splits assayed 0.042, 0.062 and 0.0184 oz Au/T. The variance in the
assay values was indicative of significant amounts of coarse free gold in the ore. A subsequent
mineralogical examination confirmed this.
The flotation test results showed that a rougher flotation tail, containing approximately 0.02 oz
Au/T was produced when the ore was floated at grinds of 85 to 99% passing 200 mesh. The head
assays of discrete samples used for flotation varied from 0.055 to 0.112 oz Au/T due to coarse
free gold contained in the ore. Gold recoveries ranged from approximately 67% to 83%. Silver
recoveries varied from 47% to 92%.
A gravity table test was performed on ore samples ground to minus 35 mesh in a wet ball mill.
The test produced a gravity concentrate containing 4.32 oz Au/T and 3.09 Ag/T with a
concentrate weight recovery of 0.69%. Gold and silver recoveries were approximately 44 and
33%, respectively.
The middlings, tails and slimes produced from the gravity table test were combined, ground to
approximately 82% passing 150 mesh and floated. A rougher tail containing 0.026 oz Au/T was
produced.
Flotation of the table middlings and tails produced a combined concentrate containing 0.573 oz
Au/T and 0.84 oz Ag/T and a concentrate weight of 7.93% of the feed to the gravity table.
Overall gold and silver recoveries were approximately 66% and 89% respectively.
In 1988, locked-cycle flotation tests were performed on a 1:1 mixture of A and B ores with the
objective to investigate the gold metallurgy of a flowsheet simulating flotation with one stage
each of rougher and cleaner flotation and recycling of the cleaner tailings to the rougher
flotation.
The locked-cycle test procedure was intended to simulate a balanced continuous plant operation
so the laboratory procedure required enough cycles to achieve equilibrium. In the tests,
equilibrium was defined as the achievement of three consecutive cycles producing near constant
product weights. Six cycles were required for the test work and the last three cycles were in
equilibrium. The last three cycles had an average gold recovery of 80.3% and rougher tailings
averaging 0.016 oz Au/ton. The calculated feed for the last three cycles averaged 0.079 oz
Ag/ton and represented 2.79 weight percent of the ore mixture.
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The rougher tailings from locked-cycle tests normally increase and stabilize at a value higher
than a similar open-circuit batch test due to the recycling of the cleaner tailings. However, the
rougher tailings from the present locked-cycle tests were nearly constant and the tailings from
the first cycle were not significantly lower than those for the other cycles.
The data indicates a very high efficiency for reflotation of the cleaner tailings. However, the
rougher tailings were higher than previous batch tests which assayed less than 0.01 oz Au/ton
and corresponded to gold recoveries of near 90%.
Hazen believed that the higher locked-cycle tailing was not due to recycling the cleaner tailings
but rather due to a lack of flotation response from the ore mixture. The cause for the lower
response was unknown but it was possible that long-term storage of the ore feeds may have
resulted in some surface oxidation of the sulphides.
Flotation work was carried out on a third bulk sample, labelled „RC‟. Seven cycles of flotation
for the RC ore sample were completed. The rougher concentrate from each cycle was cleaned
once, the cleaner tailings were thickened without the use of flocculant, the water was decanted
and the solids were combined with the ground ore feed for the next cycle. The cleaner
concentrate from the last three cycles averaged 1.08 oz Au/ton with a gold recovery of 89.1%, a
weight percentage of 5.31 and rougher tailings averaging 0.008 oz Au/ton. The rougher tailings
from all seven cycles did not vary much, with the exception of cycle 3. The cleaner tailings from
the last cycle assayed only 0.014 oz Au/ton which indicated an efficient flotation of the values
during cleaning. The locked-cycle results indicated a good potential for producing high grade
sulphide concentrate from the RC ore with relatively high gold recoveries and minimal weight
percentages.
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14.0 MINERAL RESOURCE ESTIMATES
14.1 INTRODUCTION
The mineral resource estimate presented herein is reported in accordance with the Canadian
Securities Administrators‟ National Instrument 43-101 and has been estimated in conformity
with generally accepted CIM “Estimation of Mineral Resource and Mineral Reserves Best
Practices” guidelines. Mineral resources are not mineral reserves and do not have demonstrated
economic viability. There is no guarantee that all or any part of the mineral resource will be
converted into a mineral reserve. It cannot be assumed that all or any part of an Inferred Mineral
Resource will be upgraded to an Indicated or Measured Mineral Resource as a result of
continued exploration. Confidence in the estimate of Inferred Mineral Resources is insufficient
to allow the meaningful application of technical and economic parameters or to enable an
evaluation of economic viability worthy of public disclosure.
All resource estimation work reported herein was carried out by F.H. Brown MSc (Eng) CPG
Pr.Sci.Nat., an independent Qualified Person in terms of NI 43-101. The site was visited by F.H.
Brown over the period September 29, 2010 to September 30, 2010. This mineral resource
estimate relies on information and data supplied by the Company. A draft copy of this Report
was reviewed by the Company for factual errors. The effective date of this estimate is
June 30, 2011.
Mineral resource modeling and estimation were carried out using the commercially available
GEMS Gemcom and Snowden Supervisor software programs.
14.2 PREVIOUS RESOURCE ESTIMATES
Three previous NI 43-101 compliant mineral resource estimates have been released for the
Atlanta deposit. An open-pit mineral resource based on a 0.015 opt (0.514 gpt) Au cut-off was
reported in November 2004, listing a total of 1,360,000 oz Au in the Measured and Indicated
categories and an additional 560,000 oz Au in the Inferred category (Table 14.1).
TABLE 14.1
ATLANTA MINERAL RESOURCE PUBLISHED NOVEMBER 3, 20041
Behre Dolbear November 3, 2004
Resource
Cut-
Off opt
Short
Tons
'000
Gold Silver
Gold
Equivalent
Au
Grade
opt
Au
Grade
g/t
Au oz
'000
Ag
Grade
opt
Ag
Grade
g/t
AuEq oz
'000
Measured 0.015 18,046 0.053 1.82 953 0.140 4.80 985.6
Indicated 0.015 9,841 0.041 1.41 406 0.088 3.02 417.2
Measured
+ Indicated 0.015 27,887 0.049 1.68 1,360 0.122 4.18 1403.8
Inferred 0.015 16,767 0.033 1.13 560 0.075 2.57 576.2
1 Rance DC, Kunter RS and Deng Q (2004). Technical report of the Atlanta Project, Elmore County, Idaho USA.
Behre Dolbear & Company Ltd.
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Note: P&E has not independently verified this mineral resource estimate, and makes no assurances as to the
validity or economic viability of any of the stated mineral resources, in whole or in part.
A mineral resource estimated based on a 0.025 opt (0.86 gpt) Au cut-off was reported in March
2009, listing a total of 1,287,600 ounces of gold in the Measured and Indicated categories and an
additional 499,800 ounces of gold in the Inferred category (Table 14.2).
TABLE 14.2
EXTRACT FROM THE ATLANTA MINERAL RESOURCE PUBLISHED 30 MARCH 20092
Atlanta Gold Inc. 30 March 2009
Resource
Cut-
Off
opt
Short
Tons
'000
Gold Silver Gold
Equivalent
Au
Grade
opt
Au
Grade
g/t
Au ozs
'000
Ag
Grade
opt
Ag
Grade
g/t
AuEq ozs
'000
Measured 0.025 15,452 0.063 2.16 974.1 0.097 3.33 993.4
Indicated 0.025 5,706 0.055 1.89 313.5 0.107 3.67 321.4
Mea + Ind 0.025 21,159 0.061 2.09 1,287.6 0.150 5.14 1328.5
Inferred 0.025 9,521 0.053 1.82 499.8 0.067 2.30 508.0
Note: P&E has not independently verified this mineral resource estimate, and makes no assurances as to the
validity or economic viability of any of the stated mineral resources, in whole or in part.
A further mineral resource estimated by P&E was reported in February 2011. The mineral
resource was based on an open pit cut-off grade of 0.04 opt (1.37 gpt) Au and for underground
mining a cut-off grade of 0.09 opt (3.09 gpt) Au. The estimated mineral resource contained a
total of 466,000 gold equivalent (AuEq) ounces classified as Indicated, and 290,000 gold
equivalent ounces classified as Inferred (Table 14.3), with AuEq ounces calculated using a gold
to silver price ratio of 77.6:1. Cut-off grades were derived from knowledge of similar projects,
utilizing a processing cost of US$22.00/ton, a General & Administration cost of US$15.00/ton
and an underground mining cost of US$50.00/ton. Pit optimization assumed a mining cost of
$2.00/ton and a pit slope of 50°. The conceptual pit was constrained to remain within the
patented boundaries as far as possible.
The mineral resource was estimated on the basis of the November 30, 2010 two-year trailing
average US$ metal prices of $1,075 per ounce of gold and $16.61 per ounce of silver with mill
recoveries of 90% and 75% respectively.
2 Josey WL (2009). Technical report and resource estimate of the Atlanta Project, Elmore County, Idaho USA.
Atlanta Gold Inc.
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TABLE 14.3
EXTRACT FROM THE ATLANTA MINERAL RESOURCE PUBLISHED 01 FEBRUARY 20113
Open Pit Resource
Resource
Cut-
Off
opt
Short
Tons
'000
Gold Silver
Gold
Equivalent
Au
Grade
opt
Au
Grade
g/t
Au ozs
'000
Ag
Grade
opt
Ag Grade
g/t
AuEq oz
'000
Indicated 0.04 2,331 0.130 4.46 303.0 0.389 13.34 314.7
Inferred 0.04 58 0.123 4.22 7.1 0.235 8.06 7.3
Underground Resource
Zone Resource
Cut-
Off
opt
Short
Tons
'000
Gold Silver
Gold
Equivalent
Au
Grade
opt
Au
Grade
g/t
Au oz
'000
Ag
Grade
opt
Ag Grade
g/t
AuEq oz
'000
Glaspey Indicated 0.09 61.20 0.193 6.62 11.8 0.209 7.17 12.0
Newmont Indicated 0.09 0.00 0.000 0.00 0.0 0.000 0.00 0.0
Underground Indicated 0.09 872.80 0.156 5.34 135.9 0.318 10.91 139.3
Glaspey Inferred 0.09 18.10 0.181 6.21 3.3 0.176 6.03 3.3
Newmont Inferred 0.09 503.70 0.223 7.65 112.6 0.211 7.23 114.0
Underground Inferred 0.09 978.20 0.166 5.67 161.9 0.298 10.20 165.4
Total Open Pit And Underground Resources
Resource
Short
Tons
'000
Gold Silver
Gold
Equivalent
Au
Grade
opt
Au
Grade
g/t
Au ozs
'000
Ag
Grade
opt
Ag
Grade
g/t
AuEq oz
'000
Indicated 3,265 0.138 4.73 450.6 0.367 12.580 466.0
Inferred 1,558 0.183 6.27 284.6 0.265 9.090 290.0
14.3 SAMPLE DATABASE
Atlanta supplied the data in electronic format primarily as text files and dxf-format wireframes.
All data supplied are located relative to the local mine grid coordinate system. Drilling data
included collar coordinates and orientation, downhole survey interval measurements, assay
values and lithological information.
The drilling data supplied encompassed 741 drillholes and a total of 22,355 gold assay values
and 21,916 silver assay values. Of the 741 drillholes, 605 fell within the defined Project limits
and contained assay data. The 605 drillholes included 105 diamond drillholes completed by
Atlanta Gold between 2007 and 2010, 72 pre-2007 diamond drillholes, 403 reverse circulation
drillholes, and 24 underground drillholes. Due to the span of historical assay procedures and
results, all gold and silver assay values that were reported as less than 0.002 opt were set to a
nominal value of 0.001 opt.
14.4 DATABASE VALIDATION
Industry standard validation checks were completed on the supplied data. P&E typically
validates a mineral resource database by checking for inconsistencies in naming conventions or
analytical units, duplicate entries, interval, length or distance values less than or equal to zero,
blank or zero-value assay results, out-of-sequence intervals, intervals or distances greater than
3 Ewert WD, Puritch E, Burga D, Brown FH, Armstrong T, Hayden A (2011). Technical report
and updated resource estimate on the Atlanta Gold property Elmore County, Idaho USA.
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the reported drill hole length, inappropriate collar locations, and missing interval and coordinate
fields. A number of minor out-of-sequence interval errors and terminal interval lengths were
corrected; no other significant validation errors were noted in the supplied database.
A total of nineteen drillholes lacked downhole survey data due to hole collapse. These drillholes
were visually examined for domaining purposes but were not used for estimation due to a lack of
certainty as to their final orientation.
14.5 TOPOGRAPHY & SURVEY
Atlanta supplied a digital terrain model relative to the mine grid coordinate system. The Project
area was flown with LIDAR data acquisition methods by Terrapoint in mid-June 2006.
Topographic data were originally prepared by Vector Colorado LLC / Tetra Tech, and the mine
grid models were then utilized by Vector Engineering, Inc. to prepare two foot contour maps.
The coordinate conversion in use is based on Project benchmarks that had previously been
surveyed in both the mine grid coordinates and UTM11-NAD83-NAVD88 coordinates. The
rotation and shifts (spatial and elevation) are performed according to the following convention:
1. Rotate 31.6874 degrees about mine grid origin (0,0)
2. Northing shift = + 15909842.61
3. Easting shift = + 2138098.21
4. Elevation shift = +19.02
Drillhole collar locations for the 2007, 2008, 2009 and 2010 drilling programs were
independently surveyed by the Idaho Survey Group, Meridian, Idaho
14.6 BULK DENSITY
A historical tonnage factor of 12.7 ft3/ton (2.52 t/m
3) has been used previously at Atlanta. Behre
Dolbear in 2004 reported an overall average of 12.53 cubic feet for a limited number of
metallurgical samples. For this mineral resource estimate Atlanta geologists reported a total of
106 bulk density samples from drillhole core, averaging 12.95 ft3/ton (2.57 t/m
3). The average
bulk density of the ten mineralized check samples collected from drillhole core by P&E is
13.96 ft3/ton (2.77 t/m
3) (Table 14.4). For this mineral resource estimate a tonnage factor of 12.6
cubic feet was used as a bulk factor across varying lithology, although P&E notes that this value
may be somewhat conservative and additional density samples will be required moving forward.
TABLE 14.4
BULK DENSITY AND TONNAGE FACTORS
Atlanta Gold P&E
Count 106 10
Minimum (t/m3) 2.22 2.69
Maximum (t/m3) 2.75 2.82
St Dev 0.10 0.03
Average (t/m3) 2.57 2.77
Average (TF) 12.5 11.6
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14.7 ECONOMIC PARAMETRES
A gold equivalent value was calculated for reporting purposes at one ounce Au equal to
55.6 ounces Ag. Metal prices used were the 30 June 2011 two year trailing average for Au of
US$1,231/oz and for Ag of US$22.84/oz. A process recovery of 83% for Au and 88% for Ag
was assumed.
14.8 DOMAIN MODELING
Three distinct mineralization domains have been defined at Atlanta along the primary shear
structure, based on historical mining, drilling, geological mapping and grade continuity. From
west to east these are the Idaho Zone, the Monarch Zone, and the East Extension.
For each zone two grade domains were modeled, based on a 0.04 opt (1.37 gpt) grade shell and a
0.09 opt (3.09 gpt) grade shell. Domain models were generated from successive polylines spaced
every 25 feet (8 metres) and oriented perpendicular to the trend of the mineralization. The
outlines of the polylines were determined by the defined grade cut-offs with demonstrated
continuity along strike and down dip, and include low-grade material where necessary to
maintain continuity between sections. All polyline vertices were snapped directly to drillhole
assay intervals, in order to generate a true three-dimensional representation of the extent of the
mineralization (Figure 14.1). Domain wireframes were then clipped above the topographic
surface. The resulting domains were used for rock coding, statistical analysis and compositing
limits.
Figure 14.1 Defined 0.03 Opt Grade Domains
Extensive historical mining has taken place at Atlanta. In order to account for the historical
mining, wireframe solids representing void spaces were constructed using historical information
View towards grid NW.
Scale Bar = 2000 ft.
Idaho
Monarch
East Extension
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combined with drillhole records indicating voids and areas of very poor core recovery or loss.
The resulting wireframes were used to deplete the mineral resource prior to volumetrics
calculations. P&E notes that as the total extent of historical mining activities is not known, it is
recommended that a delineation program targeted at better defining areas of historical production
be considered.
Atlanta geologists have identified an oxide/sulphide boundary based on the first appearance of
sulphide minerals in drill core. Examination of the boundary and assay grades across the contact
suggests a low-sulphidization environment modified by the local water table. P&E recommends
that moving forward additional characterization of the extent of oxidization be considered.
14.9 COMPOSITING
Assay sample lengths range from 0.40 ft to 287.00 ft (with an average sample length of 8.13 ft
and a median sample length of 10.00 ft). A total of 30% of the samples have a sample length of
5.00 ft and an additional 59% have a sample length of 10.00 ft. A compositing length of 5.00 ft
was therefore selected for use during estimation. Length-weighted composites were calculated
for Au and Ag within the defined grade domains. Missing sample intervals in the data were
treated as null values.
The compositing process started at the first point of intersection between the drillhole and the
domain intersected, and halted upon exit from the domain. Terminal composites that were less
than 2.5 ft in length were discarded so as to not introduce a short sample bias into the estimation
process. The interpreted grade domains were also used to back-tag a rock code field into the
drillhole workspace. Each assay and composite were assigned a domain rock code value based
on the domain that the interval midpoint fell within. The composite data were then exported to
Gemcom extraction files for grade estimation.
14.10 EXPLORATORY DATA ANALYSIS
Summary composite statistics were calculated by zone for each commodity (Table 14.5). A
comparison of the domain averages demonstrates the differences in grade distributions between
the defined zones, with the highest average composite grades occurring at Monarch, followed by
the East Extension and then Idaho.
The overall correlation coefficient between Au and Ag for the composite data is 0.35, suggesting
some degree of correlation. However, this correlation also appears to increase from west to east,
with Idaho reporting a correlation coefficient between Au and Ag of 0.22, Monarch a correlation
coefficient of 0.36, and the East Extension a strong correlation coefficient of 0.52.
Approximately 67% of the drillholes completed at Atlanta are reverse circulation (RC) drillholes.
Analysis of the composite sample distributions suggest that the RC data may overestimate the
grades in comparison to diamond drillhole (DDH) data, on the order of ~0.02 opt Au (Figure
14.2). No adjustment was made to the RC data; however P&E notes that the use of high-angle
reverse circulation drilling data for delineation of a structurally-controlled epithermal deposit can
be difficult to interpret, and recommends that key sections be re-drilled where possible.
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TABLE 14.5
COMPOSITE SUMMARY STATISTICS
Au Composites (opt Au)*
Statistic Total Idaho Monarch East Extension
Samples 7268 2050 4857 361
Minimum opt 0.001 0.001 0.001 0.001
Maximum opt 3.4688 0.7500 1.9560 3.4688
Mean opt 0.0773 0.0559 0.0863 0.0789
St Dev 0.1181 0.0603 0.1226 0.2336
CV 1.5272 1.0774 1.4210 2.9626
Variance 0.0140 0.0036 0.0150 0.0546
Skewness 8.2167 4.3965 5.3336 10.3307
Ag Composites (opt Ag)
Statistic Total Idaho Monarch East Extension
Samples 6891 1942 4608 341
Minimum opt 0.001 0.001 0.001 0.001
Maximum opt 19.6525 3.6000 19.6525 6.7352
Mean opt 0.2198 0.0959 0.2752 0.1776
St Dev 0.7698 0.2275 0.9117 0.5644
CV 3.5020 2.3727 3.3134 3.1775
Variance 0.5926 0.0518 0.8313 0.3186
Skewness 11.5374 8.0552 10.0108 9.0104
Figure 14.2 Q-Q plots of DDH vs. RC composite values for the Monarch zone
14.11 TREATMENT OF EXTREME VALUES
The presence of high-grade outliers was evaluated by examining histograms and log-probability
graphs for the defined zones (Figure 14.3), and where possible the observed correlations between
Au and Ag were also taken into account. Threshold values were selected that reduce the
influence of high-grade outliers during linear estimation, while minimizing changes in the
composite sample distribution, and composites were capped to this value prior to estimation
(Table 14.6).
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Figure 14.3 Log probability plots of the composite sample sets
TABLE 14.6
CAPPING THRESHOLDS
Zone Grade
Domain Au opt Ag opt
Idaho 0.09 0.6 1.4
Idaho 0.03 0.4 1.4
Monarch 0.09 1.2 5.9
Monarch 0.03 0.8 5.9
East Extension 0.09 1.5 5.3
East Extension 0.03 1.2 5.3
14.12 CONTINUITY ANALYSIS
Three-dimensional continuity analyses were conducted on the domain-coded composite data.
Downhole and directional normal-scores transformed experimental semi-variograms were
generated by domain, and in general, horizontal and across-strike directions were aligned with
the modeled grade domains (Figure 14.4). The nugget effect for each zone was defined by the
back-transformed downhole experimental semi-variogram.
A continuity ellipsoid was generated for each domain. Rotation was defined by the Gemcom
ZXZ convention within the mine grid coordinate space. All continuity ellipsoids for each domain
were displayed as search ellipsoids in Gemcom to validate the ellipsoid orientations. The
resulting ellipsoids were used to define sample selection requirements and classification criteria
(Table 14.7).
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TABLE 14.7
EXPERIMENTAL SEMI-VARIOGRAMS FOR AU
Idaho
Rotation (ZXZ) 10 75 -90
Direction 1 0.15 + SPH(0.34, 15) + SPH(0.51, 80)
Direction 2 0.15+SPH(0.34, 25)+SPH(0.51, 160)
Direction 3 0.15+SPH(0.34, 25)+SPH(0.51, 40)
Monarch
Rotation (ZXZ) 0 -80 90
Direction 1 0.16 + SPH(0.62, 30) + SPH(0.22, 160)
Direction 2 0.16 + SPH(0.62, 70) + SPH(0.22, 160)
Direction 3 0.16 + SPH(0.62, 10) + SPH(0.22, 20)
East Extension
Rotation (ZXZ) 10 -45 90
Direction 1 0.23 + SPH(0.65, 170) + SPH(0.12, 240)
Direction 2 0.23 + SPH(0.65, 100) + SPH(0.12, 240)
Direction 3 0.23 + SPH(0.65, 8) + SPH(0.12, 60)
14.13 BLOCK MODEL
An orthogonal block model was established across the Property relative to the mine coordinate
grid (Table 14.8), consisting of separate models for estimated grades, rock code, percent, density
and classification attributes and a calculated Au-equivalent (“AuEq”) grade. A percent block
model was used to accurately represent the volume and tonnage that was contained within the
constraining grade domains. As a result, the mineral resource boundaries were properly
represented by the percent model‟s capacity to measure infinitely variable inclusion percentages.
TABLE 14.8
BLOCK MODEL SETUP
Origin Blocks Size
X -5000 320 25 ft
Y -2000 160 25 ft
Z 7200 80 25 ft
Rotation None
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Figure 14.4 Principle direction Au experimental semi-variograms
14.14 ESTIMATION & CLASSIFICATION
Inverse Distance Cubed (“ID3”) linear weighting of capped composite values was used for the
estimation of block grades. A three-pass series of expanding search ellipsoids with varying
minimum sample requirements was used for sample selection and estimation, with the axis of the
search ellipsoid defined by the Au semi-variogram ranges. Composite data used during
estimation were restricted to samples located in their respective domains. Individual Au and Ag
block grades were then used to calculate a Au-equivalent block model.
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During the first pass, seven to twelve composites from three or more drillholes within a search
ellipsoid defined by the zone semi-variogram ranges were required for estimation. All blocks
estimated during the first pass were classified as Indicated.
During the second pass, four to twelve composites from two or more drillholes within a search
ellipsoid defined by twice the semi-variogram ranges were required for estimation. All blocks
estimated during the third pass were classified as Inferred.
During the third pass, four to twelve composites from two or more drillholes were required for
estimation. The search ellipsoid axis was expanded to eight times the semi-variogram ranges in
order to insure that all blocks defined by the grade domains were estimated. All blocks estimated
during the third pass were also classified as Inferred.
14.15 MINERAL RESOURCE ESTIMATE
Mineral resources were classified in accordance with guidelines established by the Canadian
Institute of Mining, Metallurgy and Petroleum:
Measured Mineral Resource: “A „Measured Mineral Resource‟ is that part of a
mineral resource for which quantity, grade or quality, densities, shape, and
physical characteristics are so well established that they can be estimated with
confidence sufficient to allow the appropriate application of technical and
economic parameters, to support production planning and evaluation of the
economic viability of the deposit. The estimate is based on detailed and reliable
exploration, sampling and testing information gathered through appropriate
techniques from locations such as outcrops, trenches, pits, workings and drillholes
that are spaced closely enough to confirm both geological and grade continuity.”
Due to uncertainties in some of the older data with regard to collar locations,
survey information and assay results, no mineral resources were classified as
Measured.
Indicated Mineral Resource: “An „Indicated Mineral Resource‟ is that part of a
mineral resource for which quantity, grade or quality, densities, shape and
physical characteristics, can be estimated with a level of confidence sufficient to
allow the appropriate application of technical and economic parameters, to
support mine planning and evaluation of the economic viability of the deposit.
The estimate is based on detailed and reliable exploration and testing information
gathered through appropriate techniques from locations such as outcrops,
trenches, pits, workings and drillholes that are spaced closely enough for
geological and grade continuity to be reasonably assumed.”
Inferred Mineral Resource: “An „Inferred Mineral Resource‟ is that part of a
mineral resource for which quantity and grade or quality can be estimated on the
basis of geological evidence and limited sampling and reasonably assumed, but
not verified, geological and grade continuity. The estimate is based on limited
information and sampling gathered through appropriate techniques from locations
such as outcrops, trenches, pits, workings and drillholes.”
The resource was estimated on the basis of the 30 June 2011 two-year trailing average US$ metal
prices of $1,231 per ounce of gold and $22.84 per ounce of silver with mill recoveries of 83%
and 88% respectively.
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In order to ensure that the reported mineral resources meet the CIM requirement of “reasonable
prospects for economic extraction” a conceptual floating-cone pit shell was developed based on
all available mineral resources (Indicated and Inferred) within the 0.04 opt (1.37 gpt) domains
(Figure 14.5). For the design of the conceptual floating-cone pit shell partial blocks were not
diluted. Additional resources outside the pit-shell limits were accumulated using the 0.09 opt
(3.09 gpt) domains. Cut-off grades were derived from knowledge of similar projects, utilizing a
processing cost of US$13.08/ton, a General & Administration cost of US$8.06/ton and an
underground mining cost of US$59.21/tonne. Pit optimization assumed a mining cost of
$2.08/tonne and a pit slope of 50°. For underground mining a mining cost of US$/59.21 was
used. The conceptual pit was NOT constrained to remain within the patented claim boundaries,
and now falls within the boundaries of both patented and unpatented claims
For open-pit mining a cut-off grade of 0.041 opt (1.41 gpt) Au and for underground mining a
cut-off grade of 0.113 opt (3.87 gpt) Au was calculated. Cut-off grades include power, smelting
and shipping charges. The estimated mineral resource contains a total of 719,000 gold equivalent
(AuEq) ounces classified as Indicated, and 290,100 gold equivalent ounces classified as Inferred
(Table 14.9), with AuEq ounces calculated using a gold to silver price ratio of 55.6:1.
Figure 14.5 Optimized Mineral Resource Pit Shells
Atlanta has delineated two underground targets as the Newmont and Glaspey zones (Figure
14.6), and underground resources for these areas have been included as part of the mineral
resource totals.
View towards grid N.
Scale Bar = 2000 ft.
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Figure 14.6 Newmont and Glaspey Areas
The average gold equivalent grade (including silver resources as a gold equivalent) of the open
pit resource is 0.104 opt (3.57 gpt) AuEq in the Indicated resource classification and 0.097 opt
(3.33 gpt) AuEq in the Inferred resource classification. The average gold equivalent grade of the
underground resource is 0.228 opt (7.82 gpt) AuEq in the Indicated resource classification and
0.221 opt (7.58 gpt) AuEq in the Inferred resource classification.
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(1) Mineral resources which are not mineral reserves do not have demonstrated economic viability. The
estimate of mineral resources may be materially affected by environmental, permitting, legal, title,
taxation, socio-political, marketing, or other relevant issues.
(2) The quantity and grade of reported inferred resources in this estimate are uncertain in nature and there
has been insufficient exploration to define these Inferred resources as an Indicated or Measured mineral
resource and it is uncertain if further exploration will result in upgrading them to an Indicated or
Measured mineral resource category.
(3) The mineral resources were estimated using the CIM Standards on Mineral Resources and Reserves,
Definitions and Guidelines prepared by the CIM Standing Committee on Reserve Definitions.
(4) AuEq was calculated such that one ounce of Au = 55.6 ounces Ag. Metal prices used were the June 30,
2011 two year trailing average for Au at US$1,231.00/oz and Ag at US$22.48/oz with process recoveries of
83% for gold and 88% for silver.
(5) The estimated mined tonnage from historic operations was removed from the block model.
14.16 VALIDATION
The block model was validated visually by the inspection of successive section lines in order to
confirm that the block model correctly reflects the distribution of high-grade and low-grade
samples. An additional validation check for global bias was also completed by comparing the
ID3 block model estimates to a Nearest Neighbour (NN) block model estimate generated using
the same search criteria and tabulated at a zero cut-off. Results demonstrate a minimal global
bias and slight smoothing for the ID3 estimate as compared to the NN estimate (Table 14.10).
TABLE 14.10
BLOCK ESTIMATE MEANS COMPARED WITH NN ESTIMATE MEANS
Total Idaho Monarch East Ext
Au Block Estimate opt 0.081 0.058 0.083 0.100
Au NN Estimate opt 0.084 0.058 0.083 0.113
Ag Block Estimate opt 0.206 0.095 0.242 0.217
Ag NN Estimate opt 0.216 0.095 0.249 0.248
TABLE 14.9
ATLANTA MINERAL RESOURCE ESTIMATE AS OF JUNE 30, 2011(1)(2)(3)(4)(5)
GOLD SILVER
Total
Equivalent
Ounces Of
Gold
(000's)
Tons
(000’s)
Cut-
Off
Grade
(opt)
Grade
Ounces
of Gold
(000’s)
Grade
Ounces
of
Silver
(000's)
Ounces of
Silver as
Gold
Equivalent
(000's) Area
Ounces
Per
Ton
Au
Grams
Per
Tonne
Au
Ounces
Per
Ton
Ag
Grams
Per
Tonne
Ag
Open -Pit
Indicated 6,732 0.041 0.099 3.39 665.5 0.263 9.02 1,769.2 31.8 697.3
Inferred 850 0.041 0.093 3.19 79.4 0.200 6.86 170.2 3.1 82.5
Underground
Indicated 95 0.113 0.222 7.61 21.1 0.319 10.92 30.3 0.6 21.6
Inferred 938 0.113 0.216 7.42 203.0 0.272 9.33 255.2 4.6 207.6
Total
Indicated 6,828 0.101 3.45 686.6 0.264 9.04 1,799.5 32.4 719.0
Inferred 1,788 0.158 5.42 282.4 0.238 8.16 425.4 7.7 290.1
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15.0 MINERAL RESERVE ESTIMATES
This section is not applicable at this stage of the project.
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16.0 MINING METHODS
This section is not applicable at this stage of the project.
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17.0 RECOVERY METHODS
This section is not applicable at this stage of the project.
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18.0 PROJECT INFRASTRUCTURE
This section is not applicable at this stage of the project.
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19.0 MARKET STUDIES AND INFRASTRUCTURE
This section is not applicable at this stage of the project.
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20.0 ENVIRONMENTAL STUDIES, PERMITTING AND SOCIAL OR COMMUNITY
IMPACT
The Property operates under a variety of permits issued by local, State and Federal agencies. The
Company reports that current activities at the Property are in material compliance with all
required permit conditions, including monitoring and reporting conditions, except as described
below. Certain operating permits may be amended to more closely reflect planned operations
(http://www.atgoldinc.com).
In February, 2010 the United States Environmental Protection Agency (“EPA”) advised Atlanta
that discharge monitoring reports received from Atlanta since August 2009 indicated certain
effluent limit violations and expressed concern that arsenic and iron concentrations could
continue to exceed effluent limitations until additional treatment or other corrective actions are
implemented. The EPA conducted an audit of Atlanta‟s records in order to evaluate compliance
with the United States Federal Water Pollution Control Act (the “Clean Water Act”).
On April 18, 2011, the Idaho Conservation League (“ICL”) and the Northwest Environmental
Defense Center (“NEDC”), two environmental interest groups, filed a complaint in the United
States District Court for the State of Idaho against Atlanta alleging violations of the “Clean
Water Act” and seeking declaratory and injunctive relief as well as civil penalties. Atlanta
advises that it believes that it has complete defences to the allegations made by ICL and NEDC
and that it will vigorously defend itself against their claims.
The complaint alleges that Atlanta is in violation of the effluent limits contained in its National
Pollutant Discharge Elimination System permit (“NPDES permit”) with respect to waters
discharged into Montezuma Creek from property owned by the Bureau of Land Management and
administered by the United States Forest Service (“USFS”), from the historic 900 adit portal
located at the historic Atlanta mine.
ICL previously sued Atlanta in 2005, alleging that Atlanta was discharging water into
Montezuma Creek without a NPDES permit. Without admitting any liability, Atlanta and ICL
entered into a Consent Decree, wherein Atlanta agreed to apply for a NPDES permit and to
construct a pilot water treatment facility. Atlanta has continued to use best management practices
in operating the pilot water treatment facility (“PWTF#1”) in what it believed to be in
cooperation with ICL and compliant with all terms of the Consent Decree.
Groundwater drains from the historic 900 adit, which was originally driven by companies that
previously were in production at the historic mine site, into Montezuma Creek through the pilot
water treatment facility constructed by AGC in 2006 as directed by the Consent Decree with
ICL. AGC does not own the land on which the historic adit is located, nor does it have any use or
right to use the groundwater that is discharged from the historic adit. Notwithstanding that
AGC‟s activities on the Property have not caused the groundwater discharge, Atlanta since 2006
has been treating approximately 2.5 million gallons of groundwater per month utilizing the pilot
water treatment facility. That pilot water treatment facility was designed and constructed to meet
or exceed applicable effluent standards that were in effect at the time of its installation. The
naturally occurring historical levels of arsenic and iron are higher than the corresponding effluent
levels contained in the NPDES permit, which are based on drinking water quality criteria.
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As part of Atlanta‟s continuing efforts to reduce effluent levels, it has proposed a draft Plan of
Operations to the USFS, subject to USFS approval, for the construction of a diversion pipeline to
redirect water that flows through Montezuma Fault into the historic mine workings and
discharging from the historic 900 adit to the existing pilot water treatment facility. Atlanta also
proposed improvements to and expansion of the existing pilot water treatment facility to
determine final best management practices for treating arsenic contaminated water in accordance
with the applicable NPDES permit. In addition, Atlanta is proposing closure of the historic 900
adit eliminating the water discharge and reclamation of the pilot water treatment facility area.
Atlanta has submitted complete defences to the allegations made by ICL and NEDC and will
vigorously defend itself against their claims. However, there can be no assurance that Atlanta
will be successful in its defence of this action, nor is it currently possible to determine the
penalties which could be imposed by the Court should ICL and NEDC receive all relief
requested by them.
In 1996, Quest International Management Services Inc. conducted a geochemical study of the
rocks in the Property area in a report titled “Geochemical Rock Characterization Program for the
Proposed Atlanta Mine, Elmore County, Idaho”. The purpose of the study was to conduct whole
rock chemical analyses, static acid base accounting, and meteoric water mobility procedure tests
for each rock and alteration type in the Project area. The report found that the largest component
of waste rock at the Property would be altered and unaltered granodiorite and that the majority of
the rocks from the Property were neither acid generating nor non-acid generating. The significant
quantity of sulphide mineralization was offset by the significant component of neutralizing
carbonate minerals (primarily calcite) to buffer acid production within those materials.
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21.0 CAPITAL AND OPERATING COSTS
This section is not applicable at this stage of the Project.
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22.0 ECONOMIC ANALYSIS
This section is not applicable at this stage of the project.
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23.0 ADJACENT PROPERTIES
There are no adjacent properties that have a direct effect on this Report. The regional geology
and local historic mining, however, do suggest that additional mineralized zones are likely to
exist in the vicinity.
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24.0 OTHER RELEVANT DATA AND INFORMATION
The Property has a long history that includes periods of exploration and mining. The most recent
exploration period began in 1985 and thus there is a substantial amount of data that has been
generated by various personnel, most of which is available in Atlanta offices or that of current
and prior project consultants and laboratories. Much of that data has been used by prior authors
(especially the 2005 feasibility study) and thereby is incorporated in the current study. It is the
author‟s belief that the most relevant and material information has been considered and that there
are no other significant relevant data or information applicable to this Report.
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25.0 INTERPRETATION AND CONCLUSIONS
The Atlanta Project is predicated on an established mining property that is a proven past
producer in an area with significant exploration potential. In overview, the Project area exhibits
significant gold and silver mineralization within a favourable geologic province. Based on a
previously proposed bulk mining cyanide heap leach operation, the geologic and ore-reserve
models and prior Feasibility Study (Behre Dolbear, 2005) indicated that gold and silver reserves
were minable at the then current metal prices and expected recoveries.
In 2008, the Company changed its mining strategy for the Property from bulk mining and heap
leaching, to a combined smaller open-pit and underground operation with an on-site milling
facility. This new mining strategy will produce both a gravity concentrate and a precious metal
rich sulphide concentrate to be custom smelted. The revised strategy will not involve a surface
heap leach process and will significantly reduce the surface or environmental footprint and
reduce environmental risk. This more selective method of ore extraction positively addresses
environmental concerns identified during previous permitting efforts. It also increases expected
metal recovery rates from 63% to 83% for gold and 88% for silver.
The Atlanta deposit remains open at depth. Additional exploration and development work is
warranted to identify the vertical extent of gold mineralization and to evaluate any potential
resources west of the current resource, as well as fault-displaced blocks. The deep levels of the
Project area make excellent drilling targets for resource expansion, especially for exploitation by
underground methods. Resource expansion through aggressive exploration in the Atlanta Project
area is a strategic decision for planned development of the Property.
In order to demonstrate the economic viability of the Project, an updated Pre-Feasibility or
Feasibility Study using the current mining strategy, resource estimate and prevailing metal prices
is warranted. The Study should be based on a combined shallow open pit (two shallow open pits)
and underground mining operation and should envision production and sale of smelter-grade
gold and silver concentrate to a smelter in Nevada. With enhanced resources additional
development activities may indicate it is possible to incorporate both surface and underground
mining operations coupled with milling metal recovery methods designed to increase the
economic viability of the Project. The Study should be designed to review and confirm the
existing current mineral resource estimate, determine preliminary designs, estimate capital and
operating costs for a shallow open pit and underground mine with different ore and waste
production rates. This Study will be the first one to apply current economics to a combined
shallow open pit and underground mine operation at Atlanta.
This more selective method of ore extraction positively addresses environmental concerns that
will allow the management of Atlanta to continue working closely with environmental groups,
the town of Atlanta and surrounding communities, federal, state and local agencies with a view
to developing a combined shallow open pit and underground mine at Atlanta in a timely manner.
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26.0 RECOMMENDATIONS
26.1 RECOMMENDED EXPLORATION WORK PLAN
During preparation of the current updated Mineral Resource Estimate, it became evident that
additional technical studies and drilling would be required to fully delineate the known
potentially economic mineralization at the Atlanta Gold Deposit. Therefore, the following
recommendations are proposed:
It is recommended that a comprehensive density study across the deposit should
be completed to provide data for creation of a density block model which will
allow for delineation of accurate tonnage calculations;
A better structural understanding of the Property is required and it is
recommended that a structural interpretation be undertaken across the entire
Property.
It is recommended that a detailed, targeted drilling campaign be completed to
delineate historical mined areas, possibly in conjunction with a ground
penetrating radar survey;
It is recommended that results driven drilling program be undertaken to further
delineate known splays off the Monarch zone;
Given the amount of previous exploration work conducted on mineralization
peripheral to the Atlanta deposit it is recommended that the exploration drilling be
extended into known historical sites on the Property;
It is recommended that the proposed drilling program be designed to further
investigate the nature and extent of the oxide/sulphide boundary;
The available reverse circulation (“RC”) drilling data used in current mineral
resource estimate modeling needs to be further validated and it is therefore
recommended that the RC drilling results be investigated on a hole-by-hole basis;
It is recommended that rehabilitation of the 900 adit be continued in order to
facilitate underground exploration and Project development.
The recommended program outlined above is designed to increase the confidence levels of
current resource categories and move the Project though a Scoping Study.
In order to complete the above recommended exploration work programs a proposed
2011 exploration Budget of $4,000,000 has been designed.
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TABLE 26.1
PROPOSED 2011 EXPLORATION BUDGET
General Exploration US$
Delineation of historical mining 30,000
Detailed drill core density study 75,000
Comprehensive structural analysis of Property 70,000
Validation of existing reverse circulation drill data 55,000
Sub Total – General Exploration 230,000
Exploration Diamond Drilling
Drilling – 60,000 feet @ US$50.00 per foot 3,000,000
Environmental and permitting 340,000
Sub Total – Exploration Diamond Drilling 3,340,000
Pre-Development
Rehabilitation of 900 Adit 300,000
Carrying costs 160,000
Sub Total - Pre-Development 460,000
Updated Mineral Resource Estimates
Atlanta Shear Zone 85,000
Contiguous Zones 85,000
Sub Total – Mineral Resource Estimates 170,000
Total Exploration Budget 4,200,000
P&E Mining Consultants Inc. Page 83 of 90
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27.0 REFERENCES
Anderson, A.L.; September 1939; “Geology and Ore Deposits of the Atlanta District Elmore
County, Idaho” Idaho Bureau of Mines Pamphlet No. 49; 7lp Bacon, Lance D. January 2004: Technical Report of the Atlanta Project, Elmore County, Idaho
USA.,
Ballard, S.M., 1928, Geology and ore deposits of the Rocky Bar quadrangle: Idaho Bureau of
Mines and Geology Pamphlet 26, 41 p.
Behre Dolbear & Company (USA) Inc.; 2005; “The Atlanta Gold Project, Elmore County Idaho,
Feasibility Study” (note that this superseded the November 2004 report issued in support of the NI 43-101 of the same date.)
Behre Dolbear & Company Inc.; November 2004; “Technical Report of the Atlanta Project,
Elmore County, Idaho USA” Behre Dolbear & Company (USA) Inc. July 1998; “The Proposed Oxide and Sulfide Mining and
Processing Operation of the Atlanta Gold Project (Scoping Study)” Behre Dolbear & Company (USA) Inc.; April 1997; “Pre-Feasibility Analyses of the Atlanta
Gold Project, Elmore County, Idaho (Revised)” Bell, R.N., 1908, Atlanta gold district, Idaho: Engineering and Mineral Journal, v. 86, p. 176-
177. Campbell, Stewart, 1932, St. Joseph Lead Company: State Mine Inspector for the Mining
Industry of Idaho, Thirty-fourth Annual Report, p. 32-39. Clayton, J.E., 1877, Atlanta district: Engineering and Mineral Journal, v. 23, p. 374-375.
Coleman, R.B., (1987): HRI Project 6607, Beneficiation of Oxide Gold Ore, Hazen Research
Inc.
Corbett, G., (2007): Controls to Low Sulphidation Epithermal Au-Ag mineralization, Sydney
Mineral Exploration Discussion Group.
Dughman, T.L., (1994): Caustic Leaching and Cyanidation of Flotation Concentrate, HRI Project
006-345, Hazen Research Inc.
Eldridge, G.H., 1895, A geological reconnaissance across Idaho: Sixteenth Annual Report of the
U.S. Geological Survey, p. 253-257. Ewert, W., Puritch, E., Burga, D., Brown, F., Armstrong, T., Hayden, A., (2011): Technical
Report and Updated Resource Estimate on the Atlanta Gold Property, Elmore County, Idaho, USA, P&E Mining Consultants Inc.
Gathe, J.C., (1988): HRI Project 6886, Locked-cycle Testing of the A and B Gold Ores, Hazen
Research Inc.
P&E Mining Consultants Inc. Page 84 of 90
Atlanta Gold Project, Idaho Report No. 204
Hastings, J.B., 1895, The Atlanta lode, Idaho: Engineering and Mineral Journal, v. 59, p. 128. Hazen Research Inc.; 1988:“Metallurgical Investigations Atlanta Gold Project for Atlanta Gold
Corporation of America, Inc.” dated February 10, 1988. Hingley, F.J., and Bacon, L.D., (1990): Geology and Structure of the Atlanta Project Elmore
County, Idaho. Atlanta Gold Corporation of America.
Josey, W. L., 2009: National Instrument 43-101 Technical Report and Resource Estimate of
the Atlanta Project Elmore County, Idaho, USA. March 30, 2009. Kappes Cassiday & Associates, 2003: Atlanta Project Report of Metallurgical Test Work. Dated
November, 2003. Killsgaard, T.H., Bacon, L.D., 2004; “Geology and Mineral Deposits of the Atlanta Hill Area,
Elmore County, Idaho”, U.S. Geological Survey Bulletin 2064-Z
Kilsgaard, T.H., and Bacon, L.D., (2004): Preliminary Report on the Geology and Mineral
Deposits of the Atlanta Hill Area, Elmore County, Idaho. Open File Report 2004-
1205, USGS. Kappes Cassiday & Associates; November 2003; “Atlanta Project Report of Metallurgical Test
Work” Vector Engineering, Inc.; June 30, 2007; “National Instrument 43-101, Technical Report of the
Atlanta Project, Elmore County, Idaho USA”
Wells, M.W., 1983, Gold camps and silver cities, nineteenth century mining in central and
southern Idaho: Idaho Department of Lands, Bureau of Mines and Geology,
Bulletin 22, 165 p.
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28.0 CERTIFICATES
CERTIFICATE of AUTHOR
Dr. Wayne D. Ewert, P.Geo.
I, Wayne D. Ewert, P.Geo., residing at 10 Langford Court, Brampton, Ontario, L6W 4K4 do hereby certify that:
1. I am a principal of P&E Mining Consultants Inc. and currently contracted as a consultant by Atlanta Gold Inc. and have
worked as a geologist continuously since obtaining my B.Sc. degree in 1969;
2. This certificate applies to the technical report titled “Technical Report and Updated Resource Estimate on the Atlanta Gold
Property Elmore County, Idaho, USA” (the “Technical Report”) with an effective date of June 30, 2011;
3. I graduated with an Honours Bachelor of Science degree in Geology from the University of Waterloo in 1970 and with a
PhD degree in Geology from Carleton University in 1977. I am a member of the Geological Association of Canada, of the
Canadian Institute of Mining and Metallurgy and a P. Geo., Registered in the Province of British Columbia (APEGBC No.
18965), the Province of Ontario (APGO No. 0866) and the Province of Saskatchewan (APEGS No.16217);
I have read the definition of “qualified person” as set out in National Instrument 43-101 (“NI 43-101”) and certify that by
reason of my education, affiliation with a professional association (as defined in NI 43-101) and past relevant work
experience, I fulfill the requirements to be a “qualified person” for the purposes of NI 43-101. My relevant experience for
the purpose of the Technical Report is:
Supervising Project Geologist III, Cominco Ltd., ........................................................................... 1976 – 1982
Supervising Project Geologist, Getty Mines Ltd., ............................................................................ 1982 – 1986
Canadian Manager, New Projects, Gold Fields Canadian Mining Limited, ..................................... 1986 – 1992
Vice-President, A.C.A. Howe International Limited, ....................................................................... 1992 – 2004
Principal, P&E Mining Consultants Inc., ..................................................................................... 2004 – Present
During the past 25 years I have had direct and indirect experience with epithermal lode gold mineralizing systems similar to
that at the Atlanta project. I have been involved with Canadian shield lode gold deposits since graduating from University
and subsequently with lode gold deposits around the world;
4. I have not visited the Atlanta Property;
5. I am responsible for sections 1 through 5, 22, 23, 24. In addition I co-authored portions of sections 25 and 26 and am
responsible for the overall structuring of this Technical Report;
6. I am independent of the issuer applying the test in Section 1.5 of NI 43-101;
7. I have had no prior involvement with the Atlanta Property that is the subject of this Technical Report;
8. I have read NI 43-101 and Form 43-101F1 and the Technical Report has been prepared in compliance therewith;
9. As of the date of this certificate, to the best of my knowledge, information and belief, the Technical Report contains all
scientific and technical information that is required to be disclosed to make the Technical Report not misleading.
Effective Date: June 30, 2011
Signing Date: Sept 1, 2011
[SIGNED and SEALED]
{Wayne D. Ewert}
______________________________
Dr. Wayne D. Ewert P.Geo.
P&E Mining Consultants Inc. Page 86 of 90
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CERTIFICATE of AUTHOR
EUGENE J. PURITCH, P.ENG.
I, Eugene J. Puritch, P. Eng., residing at 44 Turtlecreek Blvd., Brampton, Ontario, L6W 3X7, do hereby certify that:
1. I am President of P&E Mining Consultants Inc. under contract by Atlanta Gold Inc. (the “Issuer”);
2. This certificate applies to the updated technical report titled “Technical Report and Updated Resource Estimate on the
Atlanta Gold Property Elmore County, Idaho, USA” (the “Technical Report”) with an effective date of June 30, 2011;
3. I am a graduate of The Haileybury School of Mines, with a Technologist Diploma in Mining, as well as obtaining an
additional year of undergraduate education in Mine Engineering at Queen‟s University. In addition, I have met the
Professional Engineers of Ontario Academic Requirement Committee‟s Examination requirement for Bachelor‟s
Degree in Engineering Equivalency. I am currently licensed by the Professional Engineers of Ontario (License No.
100014010) and the Association of Professional Engineers and Geoscientists of Saskatchewan (License No. 16216) and
registered with the Ontario Association of Certified Engineering Technicians and Technologists as a Senior
Engineering Technologist. I am also a member of the National and Toronto CIM. I have practiced my profession
continuously since 1978.
4. I have read the definition of “qualified person” as set out in National Instrument 43-101 (“NI 43-101”) and
certify that by reason of my education and past relevant work experience, I fulfill the requirements to be a
“qualified person” for the purposes of NI 43-101. I have practiced my profession continuously for over
twenty years, and during this time I have been involved in the estimation of numerous mineral resources for
structurally controlled precious mineral deposits worldwide, including Canada, Peru, Mexico, South Africa
and the USA. This report is based on my personal review of information provided by the Issuer and on
discussions with the Issuer‟s representatives; 5. During the past 21 years, I have undertaken numerous resource estimates and mine designs for epithermal gold deposits
similar to that at the Atlanta project. These projects have ranged from large open pit to small underground potential and
existing mining operations. My involvement was specifically with the actual database management, geologic
interpretation, geostatistics and grade estimation involved in resource estimation. In the mine design aspects, I was
directly involved with cut-off grade determination, cost modeling, pit and stope design and development of mineable
reserves via dilutin and extraction calculations. Some specific epithermal gold projects I was involved with are as
follows:
Kinross Gold - Fruta del Norte
Barrick Gold – Veladero
Aquiline Resources - Calcatreu
Geomaque Exploration - Vueltas el Rio
Intrepid Mineral - Casposo
Pershimco Resources - Cerro Quema
St. Andrew Goldfields - Hislop
Gold Canyon Resources Springpole
William Resources - Rustler's Roost
European Goldfields – Certej
4. I have not visited the Atlanta Property;
5. I am responsible for co-authoring Sections 14 and 25 of the Technical Report;
6. I am independent of the Issuer applying the test in Section 1.5 of NI 43-101;
7. I have had no prior involvement with the Atlanta Property that is the subject of this Technical Report;
8. I have read NI 43-101 and Form 43-101F1 and the Technical Report has been prepared in compliance therewith;
As of the date of this certificate, to the best of my knowledge, information and belief, the Technical Report contains all
scientific and technical information that is required to be disclosed to make the Technical Report not misleading.
Effective Date: June 30, 2011
Signing Date: Sept 1, 2011
[SIGNED and SEALED]
{Eugene Puritch}
________________________________
Eugene J. Puritch, P.Eng
P&E Mining Consultants Inc. Page 87 of 90
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CERTIFICATE of AUTHOR
DAVID BURGA, P.GEO.
I, David Burga, P.Geo., residing at 3884 Freeman Terrace, Mississauga, Ontario, L5M 6P6, do hereby certify that:
1. I am an independent geological consultant contracted by P&E Mining Consultants Inc., and have worked as a
geologist continuously since obtaining my B.Sc. degree in 1997;
2. This certificate applies to the technical report titled “Technical Report and Updated Resource Estimate on the
Atlanta Gold Property Elmore County, Idaho, USA” (the “Technical Report”) with an effective date of June 30,
2011;
3. I graduated with a Bachelor of Science degree in Geology from The University of Toronto, Ontario in 1997. I
am currently licensed by the Association of Professional Geologists of Ontario, (License No. 1836); I have
practised my profession as a geologist
I have read the definition of “qualified person” as set out in National Instrument 43-101 (“NI 43-101”) and
certify that, by reason of my education, affiliation with a professional association (as defined in NI 43-101) and
past relevant work experience, I fulfill the requirements to be a “qualified person” for the purposes of NI 43-
101.
Exploration Geologist, Cameco Gold ................................................................. 1997-1998;
Field Geophysicist, Quantec Geoscience .......................................................... 1998-1999;
Geological Consultant, Andeburg Consulting Ltd. ............................................ 1999-2003;
Geologist, Aeon Egmond Ltd. ........................................................................... 2003-2005;
Project Manager, Jacques Whitford ................................................................... 2005-2008;
Exploration Manager – Chile, Red Metal Resources ......................................... 2008-2009:
Consulting Geologist ...................................................................................... 2009-Present.
During the past 12 years I have been involved with numerous epithermal gold projects in an exploration
capacity. I have evaluated approximately 10 epithermal projects for potential purchase in northern Chile and
southern Peru. Properties were evaluated based on size, alteration, mineralization, structure, location and
economic potential. I was the project geologist for the Chaparra epithermal gold property in the Arequipa area
of Peru and responsible for field mapping and surface sampling programs;
4. I have not visited the Atlanta property;
5. I am responsible for Sections 6, through 10 as well as Sections 15 through 21.
6. I am independent of the Issuer applying the test in Section 1.5 of NI 43-101;
7. I have not had prior involvement with the Atlanta Property that is the subject of this Technical Report;
8. I have read NI 43-101 and Form 43-101F1 and the Technical Report has been prepared in compliance herewith;
9. As of the date of this certificate, to the best of my knowledge, information and belief, the Technical Report
contains all scientific and technical information that is required to be disclosed to make the Technical Report
not misleading.
Effective Date: June 30, 2011
Signing Date: September 1, 2011
{SIGNED AND SEALED}
[David Burga]
________________________________
David Burga, P.Geo.
P&E Mining Consultants Inc. Page 88 of 90
Atlanta Gold Project, Idaho Report No. 204
CERTIFICATE of AUTHOR
Fred H. Brown, MSc. (Eng), CPG, Pr. Sci. Nat.
I, Fred H Brown, of Suite B-10, 1610 Grover St., Lynden Washington, do hereby certify that:
1. I am an independent geological consultant under contract to P&E Mining Consultants Inc;
2. This certificate applies to the updated technical report titled “Technical Report and Updated Resource Estimate
on the Atlanta Gold Property Elmore County, Idaho, USA” (the “Technical Report”) with an effective date of
June 30, 2011;
3. I graduated with a Bachelor of Science degree in Geology from New Mexico State University, USA in 1987. I
obtained a Graduate Diploma in Engineering (Mining) in 1997 from the University of the Witwatersrand and a
Master of Science in Engineering (Civil) from the University of the Witwatersrand in 2005; I am registered
with the South African Council for Natural Scientific Professions as a Professional Geological Scientist
(registration number 400008/04), the American Institute of Professional Geologists as a Certified Professional
Geologist (certificate number 11015) and the Society for Mining, Metallurgy and Engineering as a Registered
Member (#4152172); I have worked as a geologist continuously since my graduation from university in 1987;
I have read the definition of “qualified person” as set out in National Instrument 43-101 (“NI 43-101”) and
certify that by reason of my education and past relevant work experience, I fulfill the requirements to be a
“qualified person” for the purposes of NI 43-101. I have practiced my profession continuously for over twenty
years, and during this time I have been involved in the estimation of numerous mineral resources for
structurally controlled precious mineral deposits worldwide, including Canada, Peru, Mexico, South Africa
and the USA. This report is based on my personal review of information provided by the Issuer and on
discussions with the Issuer‟s representatives;
4. I visited the project site over the period September 29 to 30, 2010;
5. I am responsible for the co-authoring portions of Sections 14 and 26 of the Technical Report;
6. I have not had prior involvement with the Atlanta project that is the subject of this Technical Report;
7. I am independent of the issuer applying the test in Section 1.5 of NI 43-101;
8. I have read NI 43-101 and Form 43-101F1 and the Report has been prepared in compliance therewith;
9. As of the date of this certificate, to the best of my knowledge, information and belief, the Technical Report
contains all scientific and technical information that is required to be disclosed to make the Technical Report
not misleading;
Effective Date: June 30, 2011
Signing Date: Sept 1, 2011
[SIGNED and SEALED]
{Fred H. Brown}
________________________________
Fred H Brown CPG, PrSciNat
P&E Mining Consultants Inc. Page 89 of 90
Atlanta Gold Project, Idaho Report No. 204
CERTIFICATE of AUTHOR
Tracy J. Armstrong, P.Geo.
I, Tracy J. Armstrong, residing at 2007 Chemin Georgeville, res. 22, Magog, QC J1X 0M8, do hereby certify that:
1. I am an independent geological consultant contracted by P&E Mining Consultants Inc. and have worked as
a geologist continuously since my graduation from university in 1982;
2. This certificate applies to the updated technical report titled “Technical Report and Updated Resource
Estimate on the Atlanta Gold Property Elmore County, Idaho, USA” (the “Technical Report”) with an
effective date of June 30, 2011;
3. I am a graduate of Queen‟s University at Kingston, Ontario with a B.Sc. (HONS) in Geological Sciences
(1982). I am a geological consultant currently licensed by the Order of Geologists of Québec (License 566),
the Association of Professional Geoscientists of Ontario (License 1204) and the Association of Professional
Engineers and Geoscientists of British Columbia, (Licence No. 34720);
I have read the definition of "qualified person" set out in National Instrument 43-101 (“NI 43-101”) and
certify that by reason of my education and past relevant work experience, I fulfill the requirements to be a
"qualified person" for the purposes of NI 43-101. This report is based on my personal review of
information provided by the Issuer and on discussions with the Issuer‟s representatives. My relevant
experience for the purpose of the Technical Report is:
Underground production geologist, Agnico-Eagle Laronde Mine1988-1993;
Exploration geologist, Laronde Mine 1993-1995;
Exploration coordinator, Placer Dome 1995-1997;
Senior Exploration Geologist, Barrick Exploration 1997-1998;
Exploration Manager, McWatters Mining 1998-2003;
Chief Geologist Sigma Mine 2003
Consulting Geologist 2003-to present.
4. I have not visited the Atlanta Property;
5. I am responsible for the preparation and authoring of Sections 11 and 12 of this Technical Report;
6. I am independent of Atlanta Gold Inc. applying the test in Section 1.5 of NI 43-101;
7. I have had no prior involvement with the Atlanta Property that is the subject of this Technical Report;
8. I have read NI 43-101 and Form 43-101F1 and the Technical Report has been prepared in compliance
therewith;
9. As of the date of this certificate, to the best of my knowledge, information and belief, the Technical Report
contains all scientific and technical information that is required to be disclosed to make the Technical
Report not misleading.
Effective Date: June 30, 2011
Signing Date: Sept 1, 2011
{SIGNED AND SEALED}
[Tracy J. Armstrong]
________________________________
Tracy J. Armstrong, P.Geo.
P&E Mining Consultants Inc. Page 90 of 90
Atlanta Gold Project, Idaho Report No. 204
CERTIFICATE OF QUALIFIED PERSON
ALFRED S. HAYDEN, P. ENG
I, Alfred S. Hayden, P. Eng., residing at 284 Rushbrook Drive, Ontario, L3X 2C9, do hereby certify that:
1. I am currently President of:
a. EHA Engineering Ltd.,
b. Consulting Metallurgical Engineers
c. Box 2711, Postal Stn. B.
d. Richmond Hill, Ontario, L4E 1A7
2. This certificate applies to the updated technical report titled “Technical Report and Updated Resource
Estimate on the Atlanta Gold Property Elmore County, Idaho, USA” (the “Technical Report”) with an
effective date of June 30, 2011;
3. I graduated from the University of British Columbia, Vancouver, B.C. in 1967 with a Bachelor of Applied
Science in Metallurgical Engineering. I am a member of the Canadian Institute of Mining, Metallurgy and
Petroleum and a Professional Engineer and Designated Consulting Engineer registered with Professional
Engineers Ontario. I have worked as a metallurgical engineer for a total of 42 years since my graduation
from university.
I have read the definition of “qualified person” set out in National Instrument 43-101 (“NI 43-101”) and
certify that by reason of my education, affiliation with a professional association (as defined in NI 43-101)
and past relevant work experience, I fulfill the requirements to be a “qualified person” for the purposes of
NI 43-101;
4. I have not visited the Atlanta property;
5. I am responsible for authoring of Section 13 of the Technical Report;
6. I am independent of the issuer applying the test in Section 1.5 of NI 43-101;
7. I have had no prior involvement with the Project that is the subject of this Technical Report;
8. I have read NI 43-101 and Form 43-101F1 and the Technical Report has been prepared in compliance
therewith;
9. As of the date of this certificate, to the best of my knowledge, information and belief, the Technical Report
contains all scientific and technical information that is required to be disclosed to make the Technical
Report not misleading.
Effective Date: June 30, 2011
Signing Date: Sept 1, 2011
{SIGNED AND SEALED}
[Alfred Hayden]
__________________________
Alfred S. Hayden, P.Eng.