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GE05ERRCH COI1SI 3.1821 BALMER TWP 010 J UK 1 1 :;W5 PROJECTS UNIT, ELECTROMAGNETIC AND MAGNETIC SURVEYS for DOME EXPLORATION (CANADA) LIMITED on PROJECT 80 BALMER TOWNSHIP, ONTARIO. (To Accompany Maps 75-65 75-66 75-6? May 5th, 1975.

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GE05ERRCH COI1SI3.1821 BALMER TWP 010

J UK1 1 :;W5

PROJECTS UNIT,

ELECTROMAGNETIC AND MAGNETIC SURVEYS

for

DOME EXPLORATION (CANADA) LIMITED

on

PROJECT 80

BALMER TOWNSHIP, ONTARIO.

(To Accompany Maps75-65 75-66 75-6?

May 5th, 1975.

SUMMARY

During February 19751 we carried out mag

netic and electromagnetic surveys on a claim group

in the Red Lake Area for Dome Exploration (Canada)

Ltd.

The property consisting of 2 h claims

(364961 -969,, 3,6f4271 .-983) is located in the north

east part of Balmer Township. Access was made by*WW**WV-*!*W*''!IV*

motor toboggan via lumber roads leading from Balmer-

town.

Several electromagnetic conductors were

located most of which occur intermittently in three

zones which arc also magnetic. Strike lengths and

conductivities of individual conductors are variable.

The conductor pattern and magnetic correl

ation are not uncharacteristic of banded iron form

ation. Fm-tiier exploration should be considered in

the light of previous exploration on the claims arid

available geological data.

METHOD AND INTERPRETATION OF RESULTS

*M. GUN ELECTROMAGNETIC SURVEY

QP The ABBM E.M, Qun and Demigun are moving-source, phase-measuring electromagnetic instruments. They use the operating principle that,when an electrical conductor is subjected to a primary alternating field, a

secondary current is induced in the conductor* This current produces a secondary alternating field which together with the primary field pro duces a resultant field of different amplitude and phase from the app lied primary field* These differences may indicate the presence of a conductor*

In operation, the battery-powered transmitter sets up a primary field while the in-phase and out-of-phase components of the complex secondary vertical field are detected by a receiving coil and measured by means of a compensator-amplifier unit located a fixed distance from the transmitter unit* These parameters are expressed in percentage of the primary field.

The typical curve over a steeply-dipping conductor shows a low (negative - greater than 5?0 over the centre of the conductor! flanked by positive readings on both sides of the conductor. Both the in-phase and the out-of-phase components usually produce the same general shape of curve* An asymmetrical curve may indicate one or more of the follow ing conditions! (l) more than one conductor (2) variable conductive

overburden (3) a shallow dipping conductor.

The ratio of the amplitudes of the two measured components, in-phase to out-of-phase y is directly proportional to the conductivity

of the conductor.

In the case of a single conductor, both component readings are normally zero when either the transmitting or receiving coil is directly above the conductor. The location of the conductor is calculated by adding one-half the distance between the transmitting coil and the receiving coil (coil interval) to the co-ordinate at which the readings are zero. A unique solution is generally not possible in the case of

multiple conductors spaced less than one coil interval apart* This results in the possibility that an apparently wide conductor may actually

consist of two or more narrow conductors*The maximum depth of penetration for detection of a steeply-

dipping conductor in a geo-electrically neutral background is about 0*7 times the coil interval. Over horizontal or flatly-dipping conductors,

penetration of up to 1.5 times the coil interval is possible*

- 3 -

Magnetic Survey

The magnetic survey was carried out with a jSeo-

metrics Proton inagne tome ter;. Mode.3, NP,*,u ,QrJl1J?.* This is a total

field instrument with one gamma repeatability.

The survey was carried out along lines spaced jglOO

feet apart. Readings were taken at 50 Foot intervals along

the .lines. Corrections for diurnal and/or instrument drift

were made by repenting base stations previously established

along the base linos.

RESULTS

Several conductors wore located occurring for the

most part along three* xones of higher nagnetic intensity.

Conductivity varies fro-1 very go o r? for the more continuous

bands to poor for the shorter discontinuous anomalies. Mod-

crate westerly clips arc inferred from the electromagnetic

rosnJ ts.

Magnetic data sxiggest a changing strike direction

in the southwest portion of the property which is consistent

with results obtained on adjoining properties. Conductive

zones correlate wcJl with zones of high magnetic intensity

and usually individual conducting bands coincide with magnetic

highs.

Overburden is apparently light and electrically

quite neutral.

- k .

CONCLUSIONS

Numerous targets nould be selected from the electro

magnetic data which could reflect important concentrations of

sulphide mineralization* Most of these are likely caused by

sulphide iron formation*

Specific reconunendations for further exploration

and drilling should follow a review of previous exploration

history and geological data*

Respectfully submitted,

GEOSEARCH CONSULTANTS LTD.

M. J.^Mofreau, P". Eng*

ntario

Ministry of Natur,

GEOPHYSICAL - GEOLOGIC TECHNICAL DATA

BALMER TWP

TO BE ATTACHED AS AN APPENDIX TO TECHNICAL REPORTFACTS SHOWN HERE NEED NOT BE REPEATED IN REPORT

TECHNICAL REPORT MUST CONTAIN INTERPRETATION, CONCLUSIONS ETC.

900

JUN 101975

PROJECTS UNIT

Type of Survey(s) Electromagnetic and Magnetic———^Township or Area Balmer Township_^____________Claim Holdcr(s) Dome Exploration (Canada) Limited

Survey Company Geosearch Limited_____________ Author of Report M. J. Moreau____________________Address of Author Suite 1114? 100 University Ave.,Covering Dates of Survey..

Total Miles of Line Cut 35.0

Ocl/7? -{\\ni*(linecutting'to

SPECIAL PROVISIONS CREDITS REQUESTED

ENTER 40 days (includes line cutting) for first survey.

ENTER 20 days for each additional survey using same grid.

DAYS~ i-i Pcr claim Geophysical /^~~\

—Electromagnetic——-LM^—

—Magnetometer——Radiometric—-—

—Other

Geological.Geochemical.

AIRBORNE CREDITS (Special provision credits do not apply to airborne surveys)

Magnetometer .Electromagnetic

DATE . g// s(enter days per cl/im)

SIGNATURE:/Author of Report or Agent

Res. Geol.. .Qualifications.Previous Surveys

File No. Type Date Claim Holder

./Lh..L, •H:

,, \\'' ' ''- n

MINING CLAIMS TRAVERSEDList numerically

(prefix) (number)

TOTAL CLAIMS.

List of Claims

Dorr:a^^Exj?lpration.. (Canada) Limited,

Balmer Township, Ontario

(Project 80)

Claim

KRL 364961

364962

364963

364964

364965

364966

364967

364968

364969

364971

364972

Claim

KRL 364973

364974

364975364976

364977364978

364979 364930 36498!364982364983364984 3649^5

NOTES

400' surface rights reservation along the shores of all lakes and rivers.

This Township is part of the IMPROVEMENT

DISTRICT OF BALMERTOWN.

SAND and GRAVEL

'-Grovel Pila 139504

- MINING LANDS -DATEOFISSUE

JUN161975

MINISTRY OF NATURAL RESOURCES

CDin

CM

ia:h-

UJ5 O Q

BATEMAN TP - M.2I39

S5M./ 2o336 7To^r2Lo 33e7*uir(RL 1008

18034(R"

1004 17791

KRL 7 KfiL /KRL: l K RL 34S74 / 333VS5 l 3 3558

22238 34678 34677 J46760889J 20890/ KRL

2089

KRL 1000 \ 20892

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17795 l 1003 17796

96/ KRL KRL l KRl

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423363 423362

KRL 848 KRL 861

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BYSHE TP - M. 2148

52N04SE0ieS 2.1821 BALMER TWP 300

LEGEND

HIGHWAY AND ROUTE No.

OTHER ROADS

TRAILS

SURVEYED LINES:TOWNSHIPS, BASE LINES, ETC.

LOTS, MINING CLAIMS. PARCELS, ETC.

UNSURVEYED LINES:

LOT LINES PARCEL BOUNDARY

MINING CLAIMS ETC.

RAILWAY AND RIGHT OF WAY

UTILITY LINES

NON-PERENNIAL STREAM

FLOODING OR FLOODING RIGHTS

SUBDIVISION

ORIGINAL SHORELINE

MARSH OR MUSKEG

MINES

DISPOSITION OF CROWN LANDS

TYPE OF DOCUMENT

PATENT, SURFACE S MINING RIGHTS

SURFACE RIGHTS ONLY

MINING RIGHTS ONLY

LEASE. SURFACE * MINING RIGHTS

SURFACE RIGHTS ONLY

MINING RIGHTS ONLY

LICENCE OF OCCUPATION

CROWN LAND SALE

ORDER-IN-COUNCIL

RESERVATION

CANCELLED

SAND 4 GRAVEL

SYMBOL

aQB H QV

.c.s. oc

SCALE : 1 INCH 40 CHAINSO 900 1000 1000

FECT

METRESO t OO 4OO tOO BOO l KM

ACRES HECTARES

TOWNSHIP

BALMEFUDISTRICT

KENORA PATRICIA PORTION

MINING DIVISION

RED LAKE

Ontario

Ministry of Natural ResourcesSurveys and Mapping Branch

DaleMarch '75

Whitney Block Queen's Park, Toronto

Plan No.

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