res ip sm in amethyst valley

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GEOPHYSICAL REPORTON

RESISTIVITY ANDINDUC ED POLARIZATION SUR VEYS

OVER A PORTION OF THEAMETHYST VALLEY CLAIM

OXIDE PEAK, TOODOGGONE RTVER AREAOMINECA MINING DISTRICT, BRITISH C OLUMBIA


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A resistivity and induced polarization survey \\.as carried out along one line over the Vein located within the Arneth>.stValley claim owned by Robert Card.The survey was carried out using a Huntec Mark IV receiver operating in the tdomain mode. The array used was dipole-dipole, read to twelve separations, with a dlength and reading interval of30 m. One line was surveyed for a total length of 84The results were plotted in pseudosection and plan, and contoured.The purpose of the work was to determine the dip, especially the direction, of the Vein The yecondary purpose \vas to locate additional alteration zones at depth that not apparent on surface.


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CONCLUSIONS

1 . The resistivity survey responded to the alteration of the Mist Vein as a resistivitysitting on a westerly-dipping footwall. Therefore, the dip of the vein, which clparallels the footwall, dips westerly.

2 . The resistivity survey also revealed three additional resistivity lows that dip wesTherefore, these could reflect alteration zones associated with epithermai veins.

RECOMMENDATIONSIt is recommended to continue the survey to both the north and south in orddetermine the strike length of the Mist Vein. Also, if an excavator can be walked in


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GEOPHYSICAL REPORTON

RESISTlVITY AN DINDUCED POLARIZATION SURVEY S

OVER A PORTION OF THEAMETHYST VALLEY CLAIM

OXIDE PEAK, TOODOGG ONE RlVER AREAOMINECA MINING DISTRICT, BRITISH C OLUM BIA


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The secondary purpose was to locate additional epithermal veins by locating resislows that would be indicative of alteration zones.The purpose of the IP survey was to map any sulphide mineralization associated witMist Vein.

PROPERTY A N D OWNERSHIP (From Burtons Report)

Claims consist of the 20 unit Kidview, Record number 5706, which has a current exdate of August 22, 1995, and the 20 unit Amethyst Valley, Record number 5707, walso has a current expiry date of August 22, 1995, should the work described withinreport be accepted for assessment credits. Staked in 1983, assessment work is no$200 per unit per year.


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kilometers north, up the McClair or Moosehorn Creeks is the easiest flight route. Tare several bulldozer/excavator trails to other properties that follow the same geroutes that could be used and extended to bring a surface access trailer road d irectlyMist Vein.The claims are in the Om ineca Mining D ivision in N.T.S . 94E 6 and 1 1 . Latitude is00' West, Longitude is 57'29' North. U.T .M . coordinates are E610000 and N63800H IS T O RY OF YREVlOUS WOR KI n 1990, Burton C onsulting Inc. carried out prospecting and hand-trenching on th eVein.

A R E A G E O L O G Y (From Burton's Report)


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The Lower are andesitic maroon and green porphyritic flows and pyroclastics. The UVolcanics are intermediate alkalic irachytes, cystal tuffs, lithic tuffs, dust tuffs,quartz feldspar porphyries. Many of the trachyks arc orange colored from pncumotcctically altered to hcmatitc. There are also explosive volcanism with introf sycnomonzonite bodies and brecoiation.

The brecciation along ma-ior faults and splays rcsulted in silicification and epithemineralization such as thc maior northwesterly regional Fdult systems like the Mcfault and subsidiary splays. These are thought to be important channelways foformation of the sulphide rich zones (now gossans) and the precious metal mineraliza

PROPERTY GEOLOGY A N D DESCRIPTION OF VEINS (From Burtons RepThe primary area of interest is the pro-iected MIST VEIN. This vein system has


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Trenching fo r the next phase should be with an excavator-type digger on a traturntable such as a Cat 225 or similar machine.

The transmitter used for the induced polarization-resistivity survey was a Model Imanufactured by Phoenix Geophysics Ltd. of Markham, Ontario. It was powered by kw motor generator, Model MG-2, also manufactured by Phoenix.

The receiver used was a model Mark IV manufactured by Huntec (70) LimiteScarborough, Ontario Ihis is state of the art equipment with software-contrfunctions, programmable through the front panel.

THEORY


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known as membrane polarization and gives rise to induced polarization effects even iabsence ofinetall c-type conductors.Most IP surveys are carried out by taking measurements in the time-domain ofrequency-domain.

C U R R E N T 1 - - - -J1_ _ _ , - , TIMETRANSMITTED WAVEFORM

VOLTAGE DECAY

- - - - - ------ - - - - _ _ _ _ _ TIMEVOLTAGEI+ECORDED VOLTAGETime-domain measurements involve sampling the waveform at intervals after the cu


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The ability of the ground to transinit electricity is, in the absence of metallicconductors, almost completely dependent on the volume, nature and content of the space. Empirical relationships can be derived linking the formation resistivity to thewater rcsistivity, as a function of porosity. Such a formula is Archie's Law, which s(assuming complete saturation) in clean formations:

-2&> = 0R,,

Where: k)s fbmiation resistivityR,+is pore water resistivity0 is porosity

SURVEY PROCEDUREOne line of surveying was carried out in a due west direction along the to p of a wes


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The dipole length and reading interval was ch osen to be 30 meters. The lines were retwelve separations, which gives a theoretical depth pene tration of 2 10 in (about 700 fStainless steel stakes were used for current electrodes as well as for the poteelectrodes.COMPIL.4TIOIVOF DATAAll the data were reduced by a co mpu ter software program deve loped by G eosoft InToronto. Ontario. Parts of this program have becii inodificd by Geotronics Surveysfor its own applications. The computerized data reduction included the resistcalculations, pseudosection plotting, survey plan plotting and c ontouring.


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DISCUSSION OF RESULTSThe Mist Vein occurs at about 185W on the survey line. To its immediate west occresistivity low that is undoubtedly reflecting the epithermal alteration associated w i tMist Vein. In an epithermal system, the vein always occurs on the footwall (unlessystem has been overturned), and therefore the resistivity results indicate the Mist Vd ip n-esterly.Three additional westerly dipping resistivity lows are shown to the west of the Mist One subcrops at 255W, one at 360W, and the third one at 450W. These lows alsobe reflecting epithermal alteration zones, and therefore an epithermal vein wouloccurring within the footwall of each system. The dip of these three zones iswesterly.


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REFERENCESB l RTON, ALEX, P.Eng.. Symonds, Douglas F., F.G.A.C Suminarv Repo

the July 1990 Exploration Program, Oxide Peak and 201 1 Peak ProAmethyst Valley and Kidview Claims, Toodoggone River Area. OniM.D., B.C. for Clipper Minerals Ltd., Burton Consulting Inc., Feb1991.


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GEOPHYSICISTS CERTIFICATE

I ; DAVID G. MARK, of the City of Vancouver, in the Province of BColumbia, do hereby certify that:

I am a C onsulting Geophysicist of Geotronics Surveys Ltd., with offices at #535 I-lowe Street, Vanco uver, British Co lumbia.

I furthe r certifjr that:

1 .

2.

1 am registered as a Professional Geoscientist with the Association of ProfesEngineers and Geoscientists of the Province of B ritish Columbia.I am a graduate of the University of British Columbia (1968) and hold a


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AFFIDAVIT OF EXPENSESA n I.P. and resistivity survey was carried out over a portion of the Amethyst ValleyClaim on August 2 I , 1994, adjacent to Oxide Peak in the Toodoggone River area,Omineca Mining Division, British Columbia. to the value of the following:

Field:5-inan crew, IRooin &Helicopter, 2.7f4elicopter fuelTruck rentalData Reduction & Report:Senior geoph sicist, 10hrs. @ $45/hr.4 hrs. @ $50/hr.Typing, printing, photocopyingGRAND TOTAL

Computer-aiY d data reduction& drafting,

$1,560.00375.001,728.00475.00100.00 $4,238.00

$450.00200.00250.00 900.00

$5.138.00


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res ip sm in amethyst valley

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