l a?NEQ001 P . l 1647 SNOOK L AKf 010

RADIOMETRIC SURVEY RKPORT

SNOOK LAKE GRANITE PROPERTY

SNOOK LAKE AREA

DISTRICT OK KENORA, ONTARIO

September 18, 1988

By: George R. Zebruck, B. Se.

g. 11647 SNOOK LAKE010C

TABLE OF CONTENTS

Page SUMMARY.................................................... l

INTRODUCTION . .. . .. ........... ............................. 3

LOCATION , ACCESS , TOPOGRAPHY............... ................ **

GEOLOGY . ..... .. ..... . ...... ......... .... .................. . 6

SURVEY PROCEEDURE.......................... .. .. ... .. .. . . . . . 7

DISCUSSION........ .. ....................................... 8

CONCLUSIONS AND RECOMMENDATIONS............................ 9

APPENDICES

I RADIOMETRIC SURVEY MAP . . . . . . . . . . . . . .. ... . . . . . ... ... i

II OUTCROP GEOLOGY MAP................................. ii

LIST OK FIGURES

Fig l Location Map .......................,........*.* 2

Fig 2 Claim Map ,. . ................................... 5

-l-'

SUMMARY

A radiometric eurvey was conducted during the summer of 1988 across two mining claims which make up the Snook Lake Oranite Property. Readings were taken at ?5 metre intervale along East-West pace and compass Ijnes spaced 100 metres apart. A Scintrex BQS-1 Scintillation Counter was used to obtain readings of total gamma-ray energy.

The result of this survey indicates that the red porphyritic granite has a significantly higher gamma-ray radiation count than the host gneisses. The Scintillation Counter then becomes a useful tool in mapping the contact of the main granite body in areas of shallow overburden and moss or lichen covered outcrop.

Figure 1: Location Map

SNOOK IAK1 GflANITE *PROPERTV l Sk O^ Thunder

Bay

O 100___200 300

miles

INTRODUCTION

The Snook Lake Granite Property consists of 2 contiguous

unpatented claims north of Snook Lake, Kenora Mining Division

Ontario ( see Fig 2), The deposit was discovered and staked by

the author in the summer of 198?.

The main granite body is an attractive reddish brown por

phyritic granite covering an area 500 ft. by 600 ft,, It is

found on a prominent hill rising 110 ft. above a swamp. Using

an average quarry depth of 70 ft. and a 50/6 waste factor the

deposit could contain in excess of 10 million cubic feet of

saleable stone.

A radiometric survey was conducted over the property in

order to determine;

a) Whether there was a significant difference in gamma-

ray count between the red porphyritic granite and the host

gneisses to be useful in mapping the boundaries of the granite

deposit, and

b) Whether there were areas within the granite containing

excessive amounts of uranium or thorium which would detract

from the marketability of this stone.

LOCATION, ACCESS, TOPOGRAPHY

The Snook Lake Granite Property is located north of Tourist

Lake in the Snook lake Area, Kenora Mining Division.

Accese to the property is via Highway 128 north of Kenora,

the English River Road, the Sand Lake Road, and the Snook Lake

Road a total of 88 Kilometres. The total distance is suitable for

travel by large logging trucks and or heavily loaded flat deck

trucks transporting stone. t-rdi^

The Topography of the area varies^flat deep organic soiled Black Spruce swamps and deep gravel soiled Jack Pine flats ( now

cutover ) to bare rock ledges supporting scattered stunted Pine.

A high ridge transects the property in a north south direction

attaining a hight in places in excess of 100 feet.

GEOLOGY

The Snook Lake Granite Property occurs within the English

Kivor Gneiss Belt, part of the Superior Province in the Canadian

Shield.

The geology of the property area consists mainly of gneiss

( possibly paragneiss ) and migmatites, red porphyritic granite

and minor granite pegmatites.

The rod pporphyritic granite contains potassium feldspar phenocrysts thai vary in size from l to 2 centimetree and make

up 50 to 80 cfa o f the stone. The fine grained matrix also contains

a large amount of potassium feldspar, biotite mica, fine flecks

of illmftnite, and other as yet undetermined minerals.

There are three main directions of jointing in the main

granite body 300, ^5|" and 8^! The dip of the joints is near ver

tical at 8? c , 85*, and 82 6. Joint spacing varies from about k to

20 metres. Sheeting appears to be near horizontal and sheet spac

ing is 2 to 3 metres.

Soil cover over the main granite zone is for the most part nil. Small depressions with shallow soil cover ( generally less

than 30 centiraetres)are scattered over the area.

-7-

SURVEY PROCEEDURE

The radiometric survey was conducted over the property

using a Scintrex BQS-1 Scintillation Counter. Readings were taken at 25 metre intervals along east-west pace and compass lines.

Total gamma-ray radiation readings, geological rock types,

and estimated depth of soil was noted at each station and are

retained as field notes.

Two property maps were produced at a scale of l - 2^00;

a) Radiometric Survey Map

b) Outcrop Geology Map

and are appended to the report.

-8-

DISCUSSION

There was a definite significant difference in radiometric

readings over areas of red porphyritic granite and areas of host

gneisses. In general readings over the red porphyritic granite

having no soil cover were in the range of 220 to 2^0 counts per second while readings over the host gneisses having no soil cover

were in the range of 150 to 180 counts per second. This was prob ably due to the much higher potassium feldspar content in the red

porphyritic granite. In fact most of the radiation is beleived to

be from potassium sources rather than uranium or thorium, because

of the everness of the readings ( a reflection of the homogenious nature of the granite body ). Radiation from uranium or thorium sources would in all probability have given higher and more

erratic results.

-9-

CONCLUSIONS AND RECOMMENDATIONS

The scintillometer has proven useful in mapping this granite

deposit and may prove useful in exploring for other granite

deposits where distinguishable differences in radioactivity exist between rock types.

It does not appear that the uranium or thorium content of

the granite is significant. A geochemical test to confirm this is

recommended.

The granite from the main zone ie attractive, massive, appears

to be fairly uniform, and suitable for the quarrying of large

blocks, It is recommended that further work be done on this deposit.

Work should consist of;

a) stripping of the quarry

b) removal of a number of large blocks for a market study and

for test purposes.

c) testing the physical properties and minerology of the

granite

d) drilling a number of diamond drill holes to confirm the

quarryable depth of the deposit, uniformity of material,

sheet spacing, etc.

Submitted Most Respectfully...

George R. Zebruck w. Se. R.P.F. Prospector

Ontario

' Ministry ot Norlhorn Development nml Minos x-

Report of Work(Geophysical, G p Geochomical aiul

Mining Act

2.11547 SNOOK LAKE 900

Do noi USP ttmdi-d nrcns bclomC/%-/'}

l yim ol Sti'vey(t)

f\ AOi O M t TKt C 2 . 1-1647 ^tor't Licence No.

H l c? o

Survey Company Dale of Survey (from 6/ to)

olNonio unri Ad d r on of Author (of Geo-1 echfticdl rtportl

/y O L.

Dny j Mo. j Yr. Doy | Mo. | YrS

Total Miles of line Cut

Credits Rcc|uestcd per Each Claim in Columns at right___ Mining Claims Traversed (List in numerical sequence)Special Piovitiom

For first survey:

Enter 4 0 d ays. (Thisincludes line cutting)

For each additional survey:using the same grid:

Enter 20 days (for each)

Man Days

Complete reverse side

and enter total(s) here

Airborne Credits

Note: Special provisions

credits do not applyto Airborne Surveys.

Geophyiical

- Electromagnetic

- Magnetometer

- Radiometric

- Other

Geological

Geochemical

Geophyticel

- Electromagnetic

- Magnetometer

- Radiometric

- Other

Geological

Geochemical

Electromagnetic

Magnetometer

Radionietric

Deyt perClaim

..

. -. ..-

Days perClaim

Days perClaim

-

Expenditures (excludes power stripping)Type of Work Porfofmed

Performed on CiaimUJ

Calculation of Expenditure Days Credits

Totel ExpendituresTotal

Day* Credits

InstructionsTotal Days Credits may be apportioned at the claim holder's choice. Enter number of days credits per claim selected in columns ei right.

Total number of mining claims covered by this report o( work.t OOZY 4

Recorrfid Holder or Ao*nt (SXinaWre

tifictftion Verifying Refiorttf Work

For OfficeJJseX)nlyTotal Days Cr. Recorded

wSteHicorded

Us.abyyYOatV\ \porovtci ai RetordedcZ^L- ?ftf

Q)^l hereby certify that l have a personal and Imimate knowledge of the facts set forth in the Report of Work annexed hereto, having performed the work or witnessed same during and/or after its completion and the annexed report is true.

Name and Poital Addreil of Ptrton Certifying

3e

Nixth*rn tTrd Mints

OnittiQ r-Mlnlny Act

- H humlxf ol mining eltlmi utv*ntisc**di ip*e* on Ihli form, tutch t i

: - Only riayi trtditi Mlculoipri In i"EKWnditUftl" Itclion tlmy tip tntui" Ihf "E*r*nrl. Onyi Ci." colum

- Do not uif ih*d*d prtat below.

V-l-l-" l? r'oi o* c To rVUctnc* ~N o.

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..,.....^Nim* tno Xddr*ii o* Ai/thoi (of OtO'T*Chnlc*t rtpftrl)

6* tW. .-Tottl'Miltt c( (In* Cut"

Credits Requfrstad fxir tach Claim in Columns it r

Fof firlt (wtvty:

tnttr 4X) dtyi. (Thil includtt lint cutting!

For Hch tddltlontl turvty: Uiing tht Mm* grid:

tnt*r 20 tityt (for *Mti)

Win twyi

Complttt rivtnn lid*

tnd tnttr tottl(i) hit*

Not*: Special proviiioni ertcliu do not tpply to Airbornt Surviyi.

- H*cifc(TJfritilc

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xpenditures (excludes power itripping)Tytxi o f Work Nrfor m*d

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Calculitkin o1 Expondltuti Da vi CridltiTewl

Total Cup-lndltut*! Ptyt CrfCllif

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Mining Claims Tmytfted (List In numerictl scquencel

Certlffatlon Vferifvlnn R(f6ort df

/0637V Z Towl numbtr of mining Cl*iivv* eovtrtet by thli

o* work.

l hirtby certify thit t htvt t pt mont! md Intirmt* knowitdo^ of th* f tell Mt forth in tri* tupart of Work inntxtd htrtto. having p*r1orm*d tht work or wltnrotd wrrxi during md/or *ft*r id comptttion trvd tht inr*x*d report It t r o*.

XEROX 7ELFCOPIER 49U-I;?3- 9-88; 3:?8PM

SE-.NT HY:MINING WCOKPE'K ; 9-P3-88

8074689451*

8074689451-}

4169216926;# 4

4l692l6926;tt 4

RADIOMETRIC SURVEY REPORT

SNOOK LAKE ORANITE PROPERTY

SNOOK LAKE AREA

DISTRICT OF KENORA, ONTARIO

Septenb.r 18, 1988

By: George R. Z ebruck, B. Se.

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