GEOCHEMI CAL Sol L SURVEY;

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GEOCHEMI CAL S o l L SURVEY; l NDUCED POLAR1 ZATl ON AND RES I ST1 VI 77 ' SURVEYS G.J. 1-24 and BLUE JAY 1-8 MINERAL CLAIMS

Transcript of GEOCHEMI CAL Sol L SURVEY;

GEOCHEMI CAL S o l L SURVEY;

l NDUCED POLAR1 ZATl ON AND RES I ST1 V I 77' SURVEYS

G.J. 1-24 and BLUE JAY 1-8 MINERAL CLAIMS

T A B L E O F C O N T E N T S

.,

Page

I

Department of

Mines and Petroleum Wssoureeo

ASSESS&9E;s,PT REPOAT

MAP ...........................................

I NTRODUCTI ON

# / Loca'f ion Map

GENERAL GEOLOGY

GR l D PREPARATI ON

GEOCHEM 1 CAL SO I L SURVEY

SampI i n g Me'thod

Labora'tory De'terrni \ lact i on Me'fhods

Presen'tzi ti on o f Resu I t s

D i s cu ss i on o f Resu I ' ts

l NDUCED POLAR1 ZATl ON AND RES l ST1 V l TY SURVEY

Mest hod

Presen fa ' t i on o f Resu l t s

Discussion o f Resu l ' t s

RECOMMENDATIONS AND CONCLUSIONS

S'ta'ternen't o f Qua 1 i f i cact i 011s

James T. Wa I ker James D. Knauor Appended

Geocherni ca I Soi i Survey;

Induced Po la r i za ' t i on and R e s i s t i v i ' t y Surveys

o f the

G.J. 1-24 and B lue Jay 1-8 Minera l Claims

Noraiida Exp 1 o ra ' t i 011 Company, L i mi'ted

I NTRODUCTI ON :

The claims r e f e r r e d ' to i n t h i s repor i - a r c r e g i s t e r e d i n ,the name o f

Noranda Exp lo ra t i on Cornpany, L i rni Ted (No Personal L i a b i l i ' t y ) under op' t ion

frorn M r . Fraiik Lehman o f V i c to r i a , B r i ' t i s h Columbia. The names and reco rd

numbers of the miners1 claims a re : Blue Jay I -% and G.J. 1-24: 11318 t o

1 1325 and I61 06 t o 16129 respect i ve l y. The surveys were conducted on the

Has l am Lake proper ty l oca'ted approxi maTe l y s i x m i l es nor theas t o f Powe l I

R i ve r , B.C. near +he west s i do of Haslam Lake. Access t o the proper ty from

Powel l River , B.C. i s by loose sur face and logging roads, the l a ' t t e r r e q u i r e s

a four wheel d r i v e vehi c l e i n sorne areas. A four wheel d r i v e v e h i c l e was

used 'to t ranspor t men and equi prnen't and t o supply She camp du r ing 'the course

o f t h i s survey.

El eva5t ioi i ranges frohi 1,000 ' to 2,450 f e e t . Topography ranges from

ge i i t l e ' to steep slopes wi'th loca l c l i f f s . A por t t ion o f the area has bee11

I ogged and there i s ev i deiice o f a srnal l fo res ' t f i r e having occurred a't some

t ime i n 'the nor'theast sect ion. There i s , t h i ck underbrush over por ' t ions of

'the proper ' ty .

Previous work on 'the area covered by par't o f t h i s survey inc ludes

reconnaissance s o i l sampling a long nearby l o g g i ~ i g roads and b l a s t i n g by

Frank Lehmaii. Fol lowing , this, dur ing November 1967, Arnax Exp lora f io i i fnc .

d i d work on the proper'ty coils i s't i i ig o f decta i l ed goo I og i ca l mapp i ng , l i rn i 'tad

so i l samp l i ng, b l as't i 11g and samp I i ng o f rn i nera l i zed ou'i-crops .

During Apr i l and May of 1970 work was performed on 'the Bl ue Jay 1-8

and G.J. 1 , 3, 5, 1 1 , 12, 13, 14, IS, 20, 22 and 24 minera l c laims. Work

coils i sCted o f ! i ne prepara' f i 017 by Noranda Exp l o ra t i on Company, L i m i ted and

Arnex Exp 1 o ra ' t i oi7 Servi ce L'fd., con'l-rac'tors, f o l lowed by Geophys i ca l aiid

Geochemi ca l Surveys conducted by Noranda Exp l or-a't i oil Company, L irni'ted.

TMRD STATUS EDlT1ON -.~dmmy Isrh. 1967 . v . .

Yr

. i;

Work was done under the d i r e c ' t i o ~ i o f 6.0. Brynel sen, P. Eiig. wi'th

f i e l d superv is ion by J.D. Knacjer (geochsunical) and J.T. Walker (geophysical ) ,

a crew o f n ine men and l i ne prepara t ion by Arnex Expl ora ' t io i i Serv ice Ltd.,

con' tractors. Resu l t s o f 'the Geocherni ca l aiid Geophys i ca l Surveys a re p I o't'ted

oil I i ~ i c h ' to 400 f e e t base maps. Clairn names and i deal i zed bouiidar i es a r e

showii . The surveys were c a r r i e d ou't from Apr i 1 4, 1970 'through May 25, 19'70.

GENERAL GEOLOGY :

General geology i n cthe area covered by t h e B lue Jay and G.J. c la ims

i nd i ca'tes 'the rock 'to be o f 'the Jurass i c-Cre'taceous Coas't Range Ba'thol i ' th ,

Quar'tz-d i o r i ' t e aiid m i nor d i o r i ' t e have been i n'truded by a g r a ~ i i ' t e s'tock.

Rhyol i ' te d i kes have been observed. I n'tetise f rac ' tu r i ng and at ' te ra ' t i on occur

i ii the areas o f i ii 'teras't. Weacther i ng i s i 11.l-ense over most o f 'the ouatcrop

was observed i n 'treiiches and areas o f b las ' t i i i g which

inc luded r i't i te.

GR l D PREPARATI ON :

I n order ' to c a r r y oust 'the de'tai l ed Gaochemi cal and Geophysi cal Surveys,

Two con'trol base I ines and a ' t i e l i n e were es'tabl ished by a chain and ' t ra i i s i ' t

survey. A bear ing o f I 0' was used f o r both base l i iies. The 30W base l i ne

extends from 6N ,to 42N and 'the 60W base I i i i e from 6N <to 32N. The 22N ' t i e

l i n e runs perpeiidicu l a r ' to the base l i nes frorn 15W ' to 6OW, Ni tie add ic t iona l

E-W g r i d l i lies were I ayed ou t perpeiidi cu l a!- 9-0 'the base l i iies, The g r i d l i nes

a re spaced a ' t 400-foot i n t e r v a l s , chained and picke' ted every 100 fee't,

Noranda personnel developed 'the 10,700 fee ' t o f base l i n e aiid ' t i e l i ne. Arnex

Explorabt ion Serv ice L'td, developed 'the g r i d l i nes , a 'to'tai o f 9.4 mi les.

GEOCHEM I CAL SO1 L SURVEY :

Al I sarnp l es were anal yzed f o r copper and mol ybdenurn i n 'the Noranda

Exp I o ra ' t i OII Company, L i rni'ted l abora'tory I ocaated a'i- 1050 Davi e Stree't,

Vancouver 5, B.C., a i ia lys t Ever't Van Leeuwen.

Samp 1 i ng Me'thod :

Samp l es were obctai ned by d i ggi ng hot es w i t h a rna't'tock atid shovel , ' to

a dep'th a? whi ch 'the v i s i b l e grey C Hor i 2011 o r sub-ou,tcrop was encoun'tered.

The C Horizon was sampled and *the lower par ' t o f The 6 Horizon, where v i s i b l e ,

was a l s o sampl ed. The sample rnasterial was placed i n l1Hi Wect S'treng'th Kraf ' t ,

3 1 /2rf by 6 1 /811 Open Endf1 eiivel opes and 'the g r i d s'ta-tion l oca't ion was

marked on 'the enve I opes w i ' t h i lide I i b l e f e l "r pens. Soi l samp l es were 'taken

a t 200-foo't i n'terva l s a I ong 'the l i nes, eas t and wes't.

Labora'tory De'terrni na?i on MePhods :

The samples are f i r s ' t hung i n a d ry cabine't f o r a pe r iod o f 24- hours

' to 48 hours. They are 'then mechanical l y screened and s i f ' ted ' to ob'tain a

-80 mesh f r a c ' t i on.

TIie determinat ion procedure f o r To'tal copper i s as f o l lows: 0.200

grarns o f -80 mesh rna'terial i s d igested i n 2 n i l . o f I-IC1O4 and 13.5 m l . o f

HN03 f o r approxima'tely four hours. Fo l lowing d iges ' t ion each sample i s

d i l u'ted ' to 10 mi . wi'th derni nera l i zed YO. A Var i ail Techtron Model AA-5

A'torni c Absorp't ion specLf-ropho'i-orneter was used t o detet-:ni ne 'the p a r t s per

m i l I i o n Cu conten't i n each sample.

The Theory o f A' tmi c Absorpcti on spec'tropho'tome'try i s f u I l y descr i bed

i n 'the l i te ra ' tu re and w i l l no'? be descr i bed i n >th i s I-epor't.

The de'termi ~ i a ' t i o n procedure f o r ' t o ta l mol ybdenurn i s as f o l lows: 0. I

gram sample o f 'the -80 mesh mafer ia l i s fused wi ' th a sodi urn carbona'te m i x-

t u r e . I't i s +hen d issolved i n YO (demineral ized) and d i l uc ted ' to 10 rnl. A

2 ml. a l i q u o t i s shaken wi'th 2 m i . hydroxlyamine hydroch lor ide so lu ' t ion and

0.5 m l . d i ' t h i o l solu' t ion. The sarnples a re 'fhen compared wi'th co lor ime"rr ic

standards.

Preseli'ta't i on o f Resu l ' ts :

ResulcSs o f ' t h i s survey a re presen'ted i n Dwg. No. I o f ' t h i s repor't, a

p 1 an rnap show i ng copper and mol ybdenum de'terrni na't i ons i 11 par ' ts per m i I l i on.

Copper values grea Per ,than 200 p .p .m. are con'tourod by sol i d l i nes. Mol y-

bdenurn values grea'ter 'than 25 p.p.m. a re con toured by dashed l ines.

Discussion o f Resul'ts:

Values f o r %to ta l copper range from a background o f less 'than I00 p.p.m.

t o anornal ous values grea'ter 'than 200 p.p.m. ToCtal tnol ybdenum val ues range

from a background o f less 'than '7 p.p.m. ' to anomalous values grea8ter 'than 25

p.p.m. Resul'ts f o r copper indica' te anomalous zones on 'the Blue Jay 2, 3 , 4

and '7. Sma l l er anana l i es occur around 'these I arger zones as shown on Dwg. 1

and probab l y a re d i I-ec'tl y associ abted. Soi I 'type nearness o f sub-ou'tcrop i ii

tnos't areas and 'topography 'tend f o ind icaSte very l i ' t ' t l e displacemen't. Molybdenum

resu lL t s show 'two broad zoiies . The major copper anorna l i es a re con'ta i ned w i 'th i n

'these mol ybdenum zones and c lea r l y def i ns 'the areas o f in ' teres' t .

i NDUCED POLAR l ZATl ON AND RES I ST I V l TY SURVEY :

The triduced Po lar iza ' t ion a ~ i d Resis't ivi"i-y Survey was c a r r i e d ou t u ' t i l i z -

i ng Var iab I e Frequency I .P. equipmen-t owned aiid bui l't by Noranda Expl o ra ' t ion

Company, Limi'ted. Tho survey was conduc'ted be'tweeli May 6, 1970 and May 25,

1970. The f i e l d crew, emp I oyed by Noranda Expl o ra ' t i on Company, Limi'ted, con-

s i s'ted o f G. Sauder , rece i ver operator ; D. Earton, Tt-ansrni't'ter opera'tor ; and

R. Feiifon and D. Gee, elec'i-rode prepara t ion men.

Mesthod :

Throughou't ' t h i s 1 .P. and R e s i s ' t i v i t y Survoy the f o l l o w i n g f i e l d pro-

cedure was c a r r i e d ou't fot- The recorded readings apt each 200-foo't s'ta't ion

al ong 'the prepared g r i d l ines. A d i pol e-dipol e e l ec'trode conf i gura't ion (C 2 r P P ) was used wi'th an elec'tl-ode separaTion o f 200 fee t . Currenf i s 'I 1 2 i n jec'ted i ~ i ' t o 'the ear'i-h bectween e lec t rode C aiid C2. The induced vol ' tage I d i f ference between the porous p o t e l ec3trodesP aiid P2 i s measured. The four

I mail f i e l d crew, one man s'taGtioned act each elec'trode, c a r r i e s ou't the survey

' t ranspor' t i ng e l eca?rodes and i ns'trumen'ts s'ta-ti on 'to si-a'ti on a I ong ,the survey

l ines.

The for lowing da'ta are recorded a'f each s'ta'tion:

Grid locaLtion of curreiit elec'trodes C and C2. I Grid l oca*Si on of po'fen'tial el ec'trodos P i and P2.

I n addi'ti on 'the fol lowing eiec'tri cal rneasurernen'ts are made and recorded:

( I ) Curren't on-frequency 10 Hz (Current recorded i n milliamperes)

(2) Receiver measured developed vof8tage (Recorded i n m i 1 l i vol'ts) . (3) Curren't rnai n'tai ned cons'taliLt . Frequency changed 'to 0.3 Hz.

(4) Receiver measures percen? change i n vol'tage caused solely by

'the change i n frequency of curren't.

(Percen? volatage change recorded as perceli't Frequency Effec't.)

No'te on Read i ng Nurnber (4 ) :

By def i i i i t i on Perceri't Frequency Effect equal s the percen't chaiige i n

apparen't res i s'ti vi fy when the apparen't res i s4ti vi'ty i s ca l cu I a'ted for

'two frequencies ( I n 'this survey frequencies used are 10 Hz and 0.3 Hz).

Apparen't Resi s'ti vial-y i s direc'tl y proporttioi7al 'to Vol'tage and inverse1 y

propor,ti ona 1 'to Curren t.

Provi ded the curreiif i s mai n'tai ned cons'taii*t set each frequency, 'the

perceii8t change i n vol +age equal s perceii't change i ii appare~i't res i s't i vi'ty

and *the vol'tage chaiige is 'the11 read directly as Percen't Frequency

Effec't,

The apparen't resis'tiviaty for each s'ta'l-ion is calcula'ted frorn 'the recorded

Vol 'tage and Curren't measurernen'ts.

Presen ta't i on of Resu 1 'ts :

The resu l 'ts of ,the I nduced Pol ar i za'ti oil and Res i sf i vi fy Surveys are

presen'ted OII drawings No. 2 arid No. 3 of T h i s repor't. The Percsii't Frequency

Ef feet and ca I cu I abted Appareii't Resi s'ti v i ty da'ta are p i ot'ted a't m i d poi n't between

I-he grid posi tions of electrodes C and P I . The plot'ted da'ta of each survey I are coii'toured .

Discussion o f ResuI t s :

Ni l ie 1 .P. l i lies were sur-veyed wi'th ,the I ,P. me Thod. The I .P. response

measured as Percenct Frequency Ef fec ' t raiiges from O;g ' to 10%. The 4% F.E,

coii'tour l i i i e broadly del i rni ' ts 'the areas o f poss ib le in teres ' t . Wi'thin ' t h i s

area, s i x 1 .P . anornal ous zones a re i nd i ca'ted. The anornal ous zones a re

del i ~ n i ' t e d by 'the 5% F.E. con'tour aiid a re i n d i ca'ted on Urav~i i ig No. 2 by

ha'tch i ng.

RECOMMENDATIONS AND CONCLUSIONS:

The resu l ' t s o f the Goocherni cal Survey and the I nduced Pol a r i za't i on and

R e s i s t i v i ' t y Survey show d i s ' t i n c t co inc ide i i t anomalous zones. These zones occur

on the B l t ~ e Jay 2, 3 and 7 mi i ieral c laims.

Moderaete f o s'l-rong I .P. and Geocherni ca l so i I r esu l ' t s over 'These areas

rtai-ran'f- addi'Ti oiial i i ives't i g a f i on as ou' t l i ned.

1 . Surface ' t renching and diamond dr i 1 l i ng o f 'the so i l and I .P.

ailomal ies.

2. Fur'ther so i l aiid I .P. coverage ex'tci idi ng ' to 'the northwes't and

sou'fh o f the pi-esen't g r i d .

3. Addi ' t ional geological mapping.

9 B.O. Bryneisen, P. Eng.

V . D . ~ i l a u f Geocherni da I Coord i na'i-or

b . ~ . Wal ker Geophysical Coordina'tor

S'ta'terne~i't o f Qua I i f i ca't i ons

I , James D. Knauer of 'the Ci'i-y of Vancouver, Provi l ice o f B r i ' t i s h

Col urnb i a do cer ' t i f y 'tha't :

I . I have been an emp 1 oyee of Noranda Exp l ora ' t i on Company, L i mi'ted

s ince Augus't 1964.

2. 1 am a gradua'te o f 'the U i i i vers i ' t y o f New Mexico w i t h a Bachelor

o f Science Degree i n Geology.

3. I am a member of 'the Geocherni ca l Soci e'ty.

4. 1 havehe ld~ thepos i%iono fGoochemica l C o o r d i i i a ~ t o r f o r N o r a n d a

Expiora ' t ion Compaiiy, LimiTed, B r i ' t i s h Columbia s ince June 1965.

Da'ted a? Vancouver -L.----

' t h i s 30'i-h day o f May 1970

Geochem i ca 1 Coor d i na'tor

Noranda Exp l o ra ' t i OII Company, L i mi'ted

S"ra8terneii"r o f Qua 1 i f i caai- i 011s

I , James T. Wai ker of t h e Ci ' ty o f Vancouver, Province o f B r i ' t i s h

Co l umb i a do corr t i .l- y '1-ha't :

I . I have been an ernp l oyee of Noranda Exp i ora ' t i on Canpany, Limi ' ted

s ince May 1958.

2. 1 have held 'the posi ' t ion of Geophysical CoordinaLtor f o r Noraiida

Exp lora t ion Company, Limi'ted, B r i ' t i s h Columbia s ince June 1965.

3. I have been responsib le f o r 'the design and coris*truc't ion o f 'the

l iiduced Polar i zactioi i Equi pmen't u ' t i l i zed 'throughoutt ' t h i s Survey.

4. 1 am a rnernber o f the Cariadiari Ins't i"ru'ts of M i ~ i i ~ i g and Metal 1 urgy.

Dacted act Vaiicouver

't17 i s 30'th day o f May 1970

/ James T. Wa 1 ker d Geop hysi ca l Coord i ria'tor

Noranda Explora' t ion Company, Limi ' ted