mar 19890003: maybelle river - alberta...

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Alberta Mineral Assessment Reporting System

GEOLOGICAL AND GEOPHYSICAL REPORT

ON PERMIT 6879030003, N.E. ALBERTA

IN TOWNSHIP 113, RANGE 6, W4M

by

A. A. BROWN, P. Geol.

D. J. SLACK

i900003

Field work done between May 25 and June 4, 1979

Report prepared March, 1980

//Xa~ -

TABLE OF CONTENTS .

.

PAGE

1

2

3

4

4

6

6

6

6

6 6

9

10 10 10

14

14 14

19

1.0

SUMMARY

2.0

CONCLUSIONS

3.0

RECOMMENDATIONS

4.0

INTRODUCTION

5.0

LOCATION AND ACCESS

6.0

PHYSIOGRAPHY

7.0

CLIMATE

8.0

HISTORY

9.0

GEOLOGY

9.1 REGIONAL GEOLOGY 9.2 DETAILED GEOLOGY

10.0

GEOPHYSICS

10.1 Airborne Surveys (i) Airborne Electromagnetics (ii) Airborne Gamma Spectrometry

10.2 Ground Geophysics

(i) VLF-EM (ii) IP-Resistivity

REFERENCES

APPENDIX I

STATEMENT OF EXPENDITURES

APPENDIX II

LIST OF PERSONNEL

APPENDIX III

INSTRUMENT SPECIFICATIONS

0

.

LIST OF FIGURES

.

FIGURE 1

FIGURE 2

FIGURE 3

FIGURE 4

FIGURE 5

FIGURE 6

FIGURE 7

FIGURE 8

FIGURE 9

FIGURE 10

FIGURE 11

LOCATION MAP

REGIONAL GEOLOGY

DETAILED GEOLOGY

AIRBORNE EM & MAG

AIRBORNE GAMMA SPECTROMETRY

AGS ANALOGUE

AGS GPU DATA OUTPUT

AGS GPU DATA OUTPUT

VLF-EM SURVEY

IP/RESISTIVITY SURVEY

IP/RESISTIVITY SURVEY

Page 5

Page 7

In Pocket

In Pocket

In Pocket

Page 13

In Pocket

In Pocket

Page 16

Page 17

Page 18

0

1.0 SUMMARY

During late May and early June, 1979, a programme consist-

ing of airborne electromagnetic, and gamma spectrometer surveys

and ground electromagnetic and induced polarization surveys along

with geologic mapping and prospecting was carried out on Quartz

Mineral Exploration Permit 6879030003 in northeastern Alberta,

about 12 km northeast of Ft. Chipewyan on Lake Athabasca.

Interest in the property is based on the presence of airborne EM

conductors in basement lithologies and along the shore of Lake

Athabasca under what may be the Helikian Athabasca sandstone.

Mapping of the property has shown it to be underlain pri-

marily by Archean(?) granitic gneisses with a minor occurrence of

metasedimentary rocks in the NE end of the property. This

occurrence was geophysically evaluated and found to have a VLF

conductor immediately north of the outcrop, probably due to dis-

seminated pyrite, however, poor ground contact and high magneto-

telluric noise prevented conclusive IP follow-up of this zone. Two

• radiometric anomalies located by the airborne gamma spectrometer

survey were found to be caused by minor uranium secondary

mineralization in a quartz monzonite. No other uranium mineraliza-

tion was found during the programme, and no Helikian sandstone was

found in outcrop on the property.

.

-1-

2.0 CONCLUSIONS

1) The airborne radiometric anomalies located are due to

uranium secondary mineralization in quartz monzonite and do not

represent economic uranium mineralization.

2) The majority of airborne EM conductors located on land are

due to conductive overburden effects.

3) The VLF-EM anomaly located is due to disseminated pyrite in

a metaquartzite/meta-argillite unit in Archean basement rocks, and

may be of further interest.

4) Ground IP results are inconclusive due to poor ground contact

and high magneto-telluric noise.

5) The Helikian Athabasca sandstone does not outcrop on the

property.

.

.

-2-

3.0 RECOMMENDATIONS

It is recommended that a winter geophysical programme,

including IP, magnetometer and gravity surveys, be conducted on an

offshore grid oriented to cover the airborne EM anomalies (M, N &

O - Fig. 4), located in 1979 and the offshore extension of the VLF

conductor located in the NE part of the permit.

.

.

-3-

4.0 INTRODUCTION

Quartz Mineral Exploration Permit #6879030003 consisting of

the NWY4 of Section 3, the NY2 and SWY4 of Section 4, Section 5, the

WY2 of Section 8, the 5Y2 and NEV4 of Section 10, the NWY4 of Section

II, and Section 14 of Township 113, Range 6, West of the 4th

Meridian, covers approximately 1,165 ha (2,880 acres) on the north

shore of Lake Athabasca, NE Alberta (Fig. I).

Hudson's Bay Oil and Gas Company Limited, of 700 Second

Street S. W., Calgary, Alberta, was granted the permit by Alberta

Energy and Natural Resources under the Quartz Mining Regulations

on March 15, 1979.

Exploration in May and June, 1979, consisted of an airborne

gamma spectrometer survey (AGS), geological mapping and prospec-

ting, and ground electromagnetic, induced polarization and radio-

metric surveys.

I 5.0 LOCATION AND ACCESS

Permit 6879030003 is located about 12 km (7.5 mi.) north and

east of Fort Chipewyan on the north shore of Lake Athabasca in

northeast Alberta (Latitude 58° 47'30"N, Longitude 110° 55'30"W)

(Fig. 1).

Access to the property is provided by float or ski equipped

aircraft from Fort Smith, Fort Chipewyan or Uranium City or by

helicopter from Fort Chipewyan. During the winter the property

-may be accessed by snow machine from Ft. Chipewyan.

The 1979 programme was mobilized on May 25, 1979, by

Hughes 500D helicopter from Hudson's Bay Oil and Gas Permit 244,

approximately 80 km (50 mi.) to the northeast. A tent camp was set

up at the mouth of the small creek as shown in Fig. 3.

The camp was demobilized to Fort Chipewyan airport on June

4, 1979, with the aid of the Hughes 500D helicopter.

-4-

4

T N

45

:TTT TpTTTiii TTTTTTIT'-

L I I I I 1

I r-4 679cj30003 P j,°

+ • I I

HfH++f1"1 I I I I I

j2t-

79 30 --+-1---.-F---h-+---i- •J

I. 1.._

CHIPEWYAN

I H Fft 1r )

. -H---+-*---'

LAKE SMT.

- FORT CHPEWYAN A T H A B A S C A

a

0

HBOG Permit £sc

AITA

Hudbay Uranium Company

ERM A Division 01 Hudson's May 0.1 and Ci company Limits di

• LOCATION MAP

H B 0 G. PERMIT

6879030003

U12! ... I,.t f

t 10/79 I di2s 174-1

-5-

/ CO3

6.0 PHYSIOGRAPHY

The western half of the permit area consists of highly

fractured rocky upland with sparse overburden cover, raised 15-25 m

above lake level. The eastern half consists of much flatter outwash

sands and gravels with numerous remnant beaches and only

scattered outcrops of granitic gneiss.

7.0 CLIMATE

At the outset of the project in early May, scattered areas of

snow cover were observed. The low areas were extremely wet and

the small and intermittent creeks were all water-filled. The

weather was generally clear with seasonable, above freezing temp-

eratures being recorded for the entire length of the project.

8.0 HISTORY

Prior to the acquisition of the permit area by HBOG no

previous work on behalf of mineral exploration companies on the

property is known to the author. Government geological mapping of

the area, however, indicates that subcrops of the Helikian

Athabasca formation may occur in overburden covered areas,

especially in the eastern area of the property. This, coupled with

the presence of known uranium showings in basement lithologies

inland of the permit area, led to the acquisition of the permit.

9.0 GEOLOGY

9.1 REGIONAL GEOLOGY

Quartz Mineral Exploration Permit 679030003 is

located near the western edge of the Churchill Structural Province

of the Precambrian Shield. In general, the area consists of highly

metamorphosed foliated granitoid intrusives, granite gneisses and

metasedimentary rocks of the Archean to upper Aphebian eras. This

whole sequence is in turn unconformably overlain to the east by

unmetamorphosed Helikian sediments of the Athabasca Formation

(Fig. 2, Table 1).

-6-

.

.

59 °OO

11O'L) - - --

i' - \. I 4

1 4?' p

' / ••• ................+ +

+ ..N....7

Li. J + +

+ 4+

,....

.

.

Pbris J 9IAke...-.

+ ++

+ L) L L + +

pke

e?/+(I+ + + TI+ AIean JeTLake + +

t+ 1

coi,i1 'r-J

1FL

J

::Arn

I 'iMY k2ir5

59 °00

S

nQ

GRANITOID PLUTONS

Slave Granite \

Ii- Arch Lake + J+ 1

Wylie Lake

p p C 0 CI

Cohn Lake

Granite Gneisses

High-Grode Metoscdirrentory Rocks

rI Low-Grade Metasedimentary

L Roèks

Is SI I sJ Athabasca Formation

Kilometres

I I I S S S

0 20

Minor Gronitoid Mosses

Granite

Granitic Complex

Granitic Complex

.

Metamorphic fohia'tion.......... Major fault............

-after Godfrey ('78)

REGIONAL GEOLOGY Figure 2

-7- NBoO3

ERA FORMATION LITI-IOLOGIES

PLEISTOCENE SWAMP AND BOG PEAT, SANDS AND GRAVEL AND RECENT DEPOSITS/GLACIAL

PERIGLACIAL DEPOSITS

UNCONFORMITY

1-IELIKIAN ATI-IABASCA FORMATION UNMETAMORPI-IOSED SANDSTONE

UNCONFORMITY

APHEBIAN/ ANDREW LAKE DOMAIN HIGHLY METAMORPHOSED ARCHEAN GRANITOID PLUTONICS

AND MIGMATITES

TABLE OF FORMATIONS

TABLE I

.

-8-

I qcOc3

The gneissic terrain probably represents a mobile

zone which initially developed during the Archean. This zone

has been remobilized and deformed by the Hudsonian orogeny

(ca. 1800 m.y.). Subsequent uplift and erosion has exposed

the deep seated plutons and disconnected the mantling

gneissic and metasedimentary units.

9.2 DETAILED GEOLOGY

Detailed mapping of the permit revealed a series

of highly metamorphosed granitoid and sedimentary rocks.

The property can be roughly divided into two parts

along a NW/SE line represented geographically by a small

creek valley immediately to the east of the campsite ( Fig.

3). To the west of this line, the topography is fairly rugged

and outcrop exposure is excellent. The rocks here are

generally m igm atitic (probably paragneisses), consisting of

various admixtures of granite gneiss (la) and chlorite gneiss

.

(lb).

To the east, the topography is much more subdued

with extensive glacial outwash deposits, and the rocks tend to

be more plutonic, consisting of foliated diorites (Id) and

biotite gneisses (le).

Thus, it appears that the property is underlain by a

dioritic intrusive complex, overlain by a mantle of granite-

chlorite paragneiss.

One minor exposure of metasedimentary rocks was

located during mapping (unit 2). This outcrop consists of

interbedded metaquartzite and meta-argillite with minor dis-

seminated pyrite. The beds have nearly vertical dips and

generally strike into the lake, A moderate VLF cross-over is

associated with this outcrop.

The entire permit area As intensely fractured,

generally along a N-S and NE-SW trend. Some fractures are

hematized and display slightly above background radiometric

readings. However, no uranium mineralization was observed

-9-

in any fracture during any of the surveys carried out on the

property.

10.0 GEOPHYSICS

10.1 AIRBORNE SURVEYS

(i) Airborne Electromagnetics

Hudson's Bay Oil and Gas Company Limited contra-

cted Questor Surveys Ltd. to fly an area north and east of

Fort Chipewyan, Alberta, including the area covered by

Permit 6879030003 (Fig. 4). The survey was undertaken in

late March, 1979, and constituted approximaely 55 line km of

flying over the permit area.

A total of 16 anomalies were detected by the

survey*, the vast majority of which are directly attributable

to conductive overburden and "swamp edge" effect, as out-

lined in Table II.

Anomalies M, N and 0, however, are of sufficient

strength that they may be related to a bedrock conductor,

and are therefore of further interest.

(ii) Airborne Gamma Spectrometry (AGS)

In late May, 1979, an airborne gamma spectro-

meter survey was flown over the permit area (Fig. 5). the

survey consisted of grid flying on lines oriented at 320 ° at a

spacing of 250 m. A Hughes 500-D helicopter with the

HBOG-AGS system was used for the survey (Appendix III).

Only two anomalies were detected, the first

located between fiducials 137 and 138 and the second bet-

ween fiducials 140 and 141 (Fig. 5 & 6). The AGS system was

used to relocate both anomalies which were found to be

caused by a single outcrop of quartz monzonite protruding

from an area of wet muskeg. Full (256 channel) spectra of

the anomalies were retrieved using the ground processing unit

• (GPU) capabilities of the HBOG-AGS system (Figures 7 & 8).

This allows for a direct comparison of the Bi 214 (U), K 40 , and

TI 208 (Th) content of the rock.

*NOTE: Data interpretation by HBOG personnel

-10-

• ANOMALY LINE CHANNELS

REMARKS

Probably caused by conductive overburden












Possible bedrock

Possible bedrock

Possible bedrock

Probable conductive overburden

AIRBORNE EM ANOMALIES

TABLE II

-11-

A

40080

2

B

40100

4

C

40100

2

D

40110

4

E

40120

3

F

40120

4

G

40130

3

H

40140

2

I

40140

2

J

40150

2

I

K

40160

2

L

40160

2

M

40200

6

N

40220

6

0

40230

5

P

40310

2

S

/ cx3

.

.

I

ANOMALY NUMBER

A 13-137

A 13-140

BACKGROUND

COUNTS Total K U Tb

14513 307 229 177

9467 264 194 82

3570 93 36 63

RATIOS U/K U/Tb K/Th

0.75 1.29 1.73

0.73 2.37 3.22

0.39 0.57 1.48

TINES BACKGROUND u/K u/Tb K/Tb

3.75 1.61 0.43

3.65 2.96 0.81

Remarks

-Quartz Monzonite outcrop - minor U secondary mineralization

-Same outcrop

-

c

M AIRBORNE GAMMA SPECTROMETRY ANOMALIES

TABLE III

S 1.. A13 -137-f

r

A13'140

J, 1.

iI 1

•1 ••.• • --

1 71' I • r 1 j . ••J . -

t Jt. I I

- I X b

II 11 L1

I I I

'

H2 H3 t4 - -

LEGEND.

(S

CH1 — 500 cps

CH2 — 400 cps

CH3 — 200 CPS

CH4- 200 cps

CH 5 — 5000 cps

Figure 6

A G S Analogue

Flight A-13

02-80 M R M


A Diws.on of Hudsons Bay Oil and Gas Company Limited ()

-13-

The various ratios and the magnitudes of the anomalies are

given in Table ill.

10.2 GROUND GEOPHYSICS

The main emphasis of the ground geophysical

programme was concentrated around the only exposure of

pyritiferous metasedimentary rocks located on the property.

Approximately 3 km of VLF-EM and 5 km of Induced Polari-

zation/Resistivity survey were completed in the vicinity of

this outcrop.

(i) VLF-EM

A Crone Radem VLF-EM instrument was used to

take dip angle readings at 100 m intervals along pace and

compass lines oriented along and subparallel to the Lake

Athabasca shoreline (Fig. 9).

Dip angle readings range in value from +14 degrees

to -100 . Two cross-overs were located, one at 19+50E on

Line #1 and another somewhat better defined at 18+40E on

Line #2 (Fig. 9). Assuming continuity between these two

lines, the centre of the anomaly strikes E-W toward Lake

Athabasca.

IP-RESISTIVITY

A Crone "Newmont Designed" IP-IV pulse type

receiver and a Scintrex IPC-8 250 W Transmitter were used

in a 200 m square array. Readings were taken at 100 m

intervals on lines approximately 20 m apart along 5 km of

grid. Apparent chargeability and apparent resistivity

readings were plotted at 1:10,000 (Fig. 10). The high charge-

abilities found along line 7+OOS are suspect due to very dry

ground conditions resulting in low transmitter current output

with correspondingly weak receiver signal and strong

magneto-telluric interference. It was therefore decided to

attempt to confirm these readings by running two further

lines at 8-i-OOS and 10+OOS using an expanding pole-dipole

array to produce a pseudosection through the overburden to

bedrock (Fig. II). The areas of high

-14-

• chargeabilities were not relocated, but high noise to signal

ratios were again encountered causing the data to be suspect.

.

S

-15-

. • L. 20't 06c

Pyrite

1:25000 15*OOF-

'.POINT B0ASSE

- - - - - - I , 0 0 - -

. 1 100

otoo I0f0DE

20+00E

0

•\ /Th

LINE No.1

SCALE I20000

/

7 / LINE No.2

.,

Twpfl3 R6 W4M

Hudbay Uranium Company A Division of Hudson's Bay Oil and Gas Company Limited

POINT BASSE

SHORELINE VLE-EM

DIP ANGLE

PERMIT 6897030003

- -PALI ii Figure 9 March '80 R.C.E. 86L/15

0

—I

Instrument: CRONE RADEM

Transmitter Station: SEATTLE, Wash.

is

-16-

I •.rL)uw

01. Qo

ItOOE 'U

al-OoE

3tOOE 12.1287

4 1-00E 22 0 5243

H j4 5t00 4"333

6.tOOE

I i0000

16.1608

32.2360

6O• 1448

60.2503

52.2252

LI' 1 287

27 1 2860

LEG

. . S

lotoos

2-$-QOW

8tO6S 6tOOS 4tOOS 21-OOS otOO

4~ 1. H

21.4290 26.8044

24.6167 14827

2.4.5363 24.5363

4.6578 24.2735.

22.1689

24.3218 12•5000

21.254 120682

— —J -- LAKE ATHABASCA

END

I

O

r-----'

29'\ 48 \ \ 0

8 8N\%

I '25000 lo8\'\"\'y .• . I

0

13 .5 1Cm. '. Diss. Pyrite

• LAKE

1NT

. TSSE

CAMP • ••••"

AT HA BA Sc A..

r .

22.9868

21.5899

24.5363

28.4505

24 '1609

11 6 804

II'72

1267 -

APPARENT -" APPARENT CHARGEABILITY RESISTIVITY

(milliseconds) (ohmmeters)

12 READING SUSPECT DUE TO - VERY ACTIVE TELLURIC NOISE.

AND DRY GROUND CONDITIONS

u UNRELIABLE TELLURIC NOISE

$PEC.IFI CATI QNS

2OOm. SQUARE ARRAY T*. SCINTREX IPC-8 R*.CRONE IP-IV t4EWMONT TYFE

I--ZOOm. -I

E I 0 [

I PLOTTING 0

L POINT i PARALLEL DIPOLE

OPERATORS' R.C.E../ D.M.

Twp 113 R6 W4M

F1UU1jd IJIdUlIUIIl '...VItIJdt1y

A DivisIon of Hudson 's Bay Oil and 0.. Company i.imitsd

POINT BASSE

I. P/RESISTIVITY

PERMIT 6879030003

ISP 1IL JL Figure 10 March'80 G.I.W. B6L/15

6+OOE otOo I I I I I I I

PS EUD 0 S ECTI0 N

N2 N3 N4

Na N3 N4

LINE lOtOOS

14. 9. -. 'I. APPARENT

18. I8• 8 IO 21 CHARGEABILITY 21 12 '6 . 22 (milliseconds)

LINE I0 -t-O0S

693. 5142. 8035. —. 885. APPARENT

I016 553 3r74 3249 2009- RESISTIVITY

1011 -. 2l60 3468 ,-r (ohm-meters)

6t-00E 01-00 21-00W I I I I I I I I I

LINE 81- 00 S

N2

6; 5. 49. 14. 8. 17. 20. APP. CHARGEABILITY (milliseconds)

LINE 8tOOS

N2 486 214 1602 2827 9312 2280 2318 APR RESISTIVITY

POLE–DIPOLE ARRAY

—. No Reading Due To

High Noise Level

Rx 1, NA ,''

' ci i-a-i :50m.

PLOTTING POINT

Rx — CR0E IP–IV NEWMONT TYPE

Tx — SCINTREX I PC– 8, .250 Watt

.

OPERATOR: R. Everett

M. Kilby

-18-

TwpII3'R6 W4M

Hudbay Uranium Company Alm

A D...s.on of Hudson's Bay 0,1 and Gas Company lirnilad

POINT BASSE

.1 P /RESISTIVITY 0 PERMIT 6879030003

Figure II Morch'801 G.I.W. 86L/15

.

REFERENCES

GODFREY, J. D., 1958

Aerial Photographic Interpretation of Precambrian Structures North of Lake Athabasca; Research Council of Alberta; Geological Division Bulletin 1.

GODFREY, J. D., 1978

Geology of the Wylie Lake District, Alberta; Alberta Research Council Report 78-1.

RILEY, G. C., 1959

Geology of the Fort Fitzgerald Map-Area, Alberta; GSC Map 12-1960.

.

.

S -19-

Respectfully Submitted;

'V GEO

9

L2z::i

A. A. BROWN Manager, Uranium Exploration

Geologist

I

.

STATEMENT OF EXPENDITURES

.

APPENDIX I

0

$

HUDSON'S BAY OIL AND GAS COMPANY LIMITED

TZ MINERAL EXPLORATION PERMIT 6879030003

I, ALFRED RAYMOND TRAVERS, of the City of Calgary, in the Province of. Alberta, HEREBY CERTIFY:

1. THAT I am Controller for HUDSON'S BAY OIL AND GAS COMPANY LIMITED and as such have a personal knowledge of the matters herein contained.

2. THAT HUDSON'S BAY OIL AND GAS COMPANY LIMITED has incurred costs for mineral exploration work relating to the above Quartz Mineral Exploration Permit pursuant to the Quartz Mining Regulations, during the period March 15, 1979, to March 15, 1980, as follows:

$

Salaries and Wages Materials and Supplies Fuel Contract Surveys Camp Expenses Rotary Wing Fixed Wing Charter Equipment Rental Miscellaneous Expenses & Overhead

Total

$6,176.41 325.35 540.00

1,328.25 484.95

3,759.25 2,699.27 1,718.00 1,703.15

$18,734.63

3. I hereby certify that the above statements are true.

I

LIST OF PERSONNEL

APPENDIX II

0

S QUARTZ MINERAL EXPLORATION PERMIT 6879030003

LIST OF PERSONNEL

NAME & ADDRESS

POSITION

DAYS

RATE

Geologist

10

$92.00

142.56

S

Senior 4 Geologist

Sr. Geophy. 11 Tech.

Geophy. 4 Tech.

Temporary 11 Geologist

Geophy. 11 Assistant

II 11

78.17

75.94

61.97

61.68

44.65

11

45.84

0

.

NAME & ADDRESS

POSITION DAYS

RATE

Geophy. Consultant 1

$300.00

Geologist 2

92.00

Sr. Staff

143.00 Geologist

.

Drafting Services (HE OG)

Total Days

Total Salaries

4.5

81.5

$6,176.41

120.00

0

INSTRUMENT SPECIFICATIONS

.

APPENDIX III

0

HBOG GAMMA RAY SPECTROMETER

.

SPECIFICATION SHEET

Data acquisition system based on TMS 9900 Micro processor 256 channel full spectrum spectrometer with Automatic Compton Stripping

Sampling Rate 1 second

1,000 in. 3 X-square Nal crystal package (Harshaw)

CRT: Allows continuous monitoring of analogue signal, digital signal and channel drift, based on a 4 minute accumulated peak of K-40

PRINTER: Programmable, prints analogue channels of Enhanced Total Count, K-40, Bi-214, T1-208, Total Count and Altimeter

ANALOGUE CHANNEL WINDOWS: Enhanced Total Count Total Count Channel biased to emphasize

Bi-214 responses

K-40 - Channel 117-127 (1.36 MeV - 1.56 MeV) Bi-214-Channel 144-152 (1.66 MeV - 1.86 NeV) T1-208-Channel 210-226 (2.40 MeV - 2.76 MeV)

• Total Count Channel 10-255 (0.12 MeV - 3.05 NeV)

DATA STORAGE: ½" (900 Bits/inch) Pertec tape unit (IBM Format)

DATA STORED: 256 channels of full gamma spectrum, energy scale approximately 11.5 Key/channel, Altimeter, Magnetometer, VLF and Real Time clock

PLATFORM: Hughes 500-D helicopter Crystal package mounted in belly pod

•1 LiULU

- 1 • I -.

GPU DATA OUTPUT

For Figures h r

4 1E•; —Marker to show start of location Lr No of sec after R F that data is being

VLL' rr summed from

-14 rz 2, No of sec of data summed ]91 19E i5 13

:i1[; ti123 Data that is being summed

• CPS for each window Tr—Sample interval summed

IT IL TH r;U E; 9; 13i < Summed counts for each window

1TP!U PfT Request for printout of each accumulated

channel Y-Yes N-No

Chan No. 14 4

1( thi( Counts for each chan. accumulated for the i: above specified time (10 sec.)

.

4 fi LT SF.LE [iT;: '.- scale at which to display spectrum - - 999 is full scale

L: il ?.F

COUNTS/Chan/Scan Summed

S

CHAN No.

I

S

CPU - GROUND PROCESSING UNIT

RF-Random FID-A marker manually placed on the analog chart and tape using a fiducial pedal

SF-Sequential Fid-A marker 2ut7tica11y placed on the analog chart and tape using a real time clock. Sequential fids increase whei data is being stored on tape

• TT-Total Count Window K -Potassium Window

• U -Uranium Window • Th-Thorium Window FLTN Y065 - Flight Number LINE Y065 - Line Number same as

flight no. SCAN-1 second of data

.

U SPECTRUM

z

C

- - CLNNEL NUMBER

.

U,

C

Th S?ECTRITh4

•___T___-__••

caN;EL NU't5 ER

.

Examples of Uranium, and Thorium S;ectra

Instrumentation

.

Induced Polarization 4.

The Crone tN ewmon t Type" I.P.-IV receiver, manufactured by Crone Ceophysi.C5 Limited of Mississauga, Ontario, and the Scintrex IPC-E 250W Transmitter, manufactured by Scintrex Limited of Concord, Ontario, were used for the induced polarization Eirvey.

CRONE "NERMCT DESIGNED" I.P.-IV PULSE TYPE RECEIVER

SPECIFICATIONS

- Primary Voltage tIVptt: .0005 to 60 volts, accuracy ±5% - Standard recrivers set for 2.0.seconds on, 2.0 seconds off

current cycle. Off period must be greater than 1.8 seconds. - Chargeability M and N readings directly in milliseconds

.

Normal Operation 0.45 Base

M N

0 .45 O15 2.0 I < - Current Off >- I

Time in Seconds

0.35 Operation

0 .35 .70 1.05 2.0 I Current Oil •- I

Time in Seconds

- Both N and N readings are automatically corrected to the Nernont 33N1 Standard. M and N readings should be the same with a norrnl polarization decay. Unequal readings indicates the presence of inductive coupling and then the N reading should be used.

- Both H and 1, readings are taken for 3 current cycles (6 samples) then they a: - e automatically averaged and stored for direct read out.

- Self Potent --'31: Automatic buckout effective when SP less than .6 Vp

Manual buckout - 0 to 1.0 volts calibrated ( 1.0 volts uncalibrated)

Fine SP buckout for low signal levels

- Pot Resist2::e Check: Check of potential contacts on milli-second mete:: Green - good contact; Orange - marginal contact (N-N readir are accurate, Vp and resistivity readings have error); Red - nil or unacceptable contact.

0

- Input Impedi:.nce: 300,000 Ohms

- Noise Filter:: 30DB at 50 or 60 Hz (factory set) 30 DB/Octave above 8 Hz 6 CB/Octav' above 35 Hz

- Automatic Titme Lock to ground signal

- Amplifier dr:ift correction by one control

SCINTREX IPC-8 25014 TRANSMITTER

SPECIFICATIONS

.

POWER:

OUTPUT VOLTAGE:

OUTPUT CURRENT

NETRE RANGES:

CYCLE:

PULSE DURATIONS

OPERATING TEMPETURE:

250W max.

150V to 850V in 5 steps 1.4 ratio

1. 5A max.

0-0.5 A.F.S. and 0-1.5 A.F.S. i3%

1:1:1:1 on: off: reverse: off

1, 2, 4 seconds

-300C to +55 0 C

0

S CALCULATIONS FOR INDUCED POLARIZATION

Measurements on Receiver

M = Chargeability (channel l)-measurement plotted (microseconds)

N Chargeability (channel 2 - microseconds)

Vp = Voltage (volts)

K = Array Coefficient (dependent on array used) - for 200 in x 200 in square array K = 217.5

I = Current (amps)

Sp = Self Potential Gradient (microvolts)

Resistivity = Vp x

.

0

CRONE RADEM EM INSTRUMENT SPECIFICATIONS

Source of Primary Field: VLF Communication Stations 12 to 24 KHz

.

Operating Temperature Range:

7 switch selectable

The seven standard stations are Cutler, Name, 17.8; Seattle, Washington, 18.6; Collins, Colorado, 20.0; Annapolic, Nd, 21.4; Panama, 24.0; Hawaii, 23-4; England, 16.0. Alternative stations which may be substituted are: Gorki, Russia, 17.1; Japan, 17.4; England, 19.6; Australia, NWC, 22.3 KHz.

Audible signal from speaker.

1. DIP ANGLE in degrees, from the horizontal of the magnetic component of the VLF field. Detected by minimum on the field strength meter and read from an inclinometer with a range of t800 and an accuracy of ±½0 .

2. Field Strength (total or horizontal component) of the magnetic component of the VLF field. Measured as a percent of normal field strength established at a base station. Accuracy ±2% dependent on signal. Meter has two ranges: 0-300% and 0-600%. Switch for "keyed" or ttF.S." (steady) signal.

3. Out of Phase component of the magnetic field, perpendicular in direction to the resultant field, measured without sign, as a percent of normal field strength. This is the minimum reading of the Field Strength meter obtained when measuring the dip angle. Accuracy ±2%. -

-20° to +1100F.

Number of Stations:

Stations Available:

Check that Station is Transmitting:

Parameters Measured and Means:

FIELD OPERATION

S

.

S

THE URTEC MODEL UG-130 "MINISCINT"

- a -

SPECIFICATIONS: SCINTI LLOMETER, URTEC MODEL UG-130

Selectable Energy Levels - Calibration - All energy above 0.30

- Total Count I - All energy above 0.08

- Total Count II '- All energy above 0.40 - Potassium - - All energy above 1.36

• : • - Uranium - All energy above 1.66 • - •' - Thorium - All energy above 2.46

Detector - Nal (TI) crystal, volume 4.0 cu. inches (66 c.c.)

mechanically ruggedized.

Spectral Shift as a function - 3% or less from -0- to 15000 CPS of count rate -

Energy Response Linearity - less than 2% error

Visual Display - Ruggedized five digit liquid crystal display

Display Overflow - When counts exceeds 99999, two dots will indicate count rate overflow

Sample Rate - 1.0 or 10.0 seconds Continuous, for all energy levels

Power - Three "C" size alkaline batteries provide 40 hours

normal operation

Battery Test Monitor - Battery test status can be monitored.

When batteries are nearly discharged, keyed audio

alarm is activated, overriding Count rate audio.

Audio - The count rate may be monitored in either the

continuous mode or selectable count rate threshold mode. ,

Audio Time Response - 0.5 seconds from 0 to 2500 CPS

Temperature Range - Minus 25C to plus 60'C.

Dimensions & Weight - 21 cm (8.3 in.) long 11 cm (4.2 in.) wide, 5. cm (2.0 in.) high

weight 1.5 kg - (3.31 lbs) includes batteries and handle

Rate Meter Output - 100 mV/i 00 CPS, available through a miniature

(optional)

connector

Calibration - Switch selectable using self contained Ba 133 ISOTOPE.

SCINTILLOMETER,IJRTEC, MODEL JG-130, MINISCINT

0,000

1000

000

; 100

00

%0

OPTIONAL HANDLE 2. .1 .s 1.9 1.2 1.4 "Is 2.0 22 2A 2A LI 39

SUPPLIED GAMMA RAY tW(RCYM[V)-0AMA MAY SPECTRA FROM NATURAL 00(0

Is . ' . •-.. - _,,

LBL1LL[VIC 129 TELSON ROAD, MARKHAM, TORONTO, ONTARIO, CANADA, L3R 1E4 L I Pin i TED TELEX: 06-986-677 TEL: (416) 495-0660

- • '':

T '•-•'-

MEV

MEV

MEV

MEV MEV

MEV.

0

0

0 --, 0

( ' \— ) — -

I'

0

N

0

LEGEND

ARCH EAN

2 METASEDIMENTS: interbedded, metaquartzite, and meta-argilhite, minor disseminated pyrite less than 1%

0

he BIOTITE GNEISS: well banded, medium to coarse gratnea, ioa'iy porphyrobi astic.

Id FOLIATED DIORITE/QUARTZ DIORITE: lenses of pegmatitic material, commonly cut by quartz veins and aphite dykes, zenoliths of metased iments.

Ic QUARTZ MONZONITE locally well foliated, medium to coarse grained, locally with pegmatitic and aphitic zones.

lb CHLORITE GNEISS: feldspar and quartz porphyroblasts, very well banded, less than or equal to 1% biotite.

lu GRANITE GNEISS: pink feldspar quartz chlorite with or without biotite gneiss, locally with sulphides.

I UNDIFFERENTIATED GRANITES & GNEISSES: with or without quartz veins, pegmatitiC dykes or veins, parallel to or cross-cutting the foliation, with or without biotitic rich mafic bands.

0 SYMBOLS

Outcrop Boundary

A'__ Shear, Fault

50_$' Foliation (dip unknown. known)

Joint, Fracture (dip known, unknown, vertical)

x Mineral Occurrence. U (Uranium), Cu (Copper), Py (Pyrite)

I Radiometric Reading: TC Total Count (in counts per sec.) K = Potassium (cps) U = Uranium (cps) Th = Thorium (cps)


A Division of Hudson's Bay Oil and Gas Company Limited d

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A Division of Hudson's Bay Oil and Gas Company Limited

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A Division of Hudson's Bay Oil and Gas Company Limited

PERMIT 6879030003 Twp 113 R6 W4M

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SPECTROMETRY

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Hudbay Uranium Company A Divion of Hud son's Bay Oil and Cis Company limited

AGS

GPU DATA OUTPUT

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P-11

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5 Hudbay Uranium Company

A Division of Hudson's Say Oil and GasCompany Limited

S AGS

GPU DATA OUTPUT

FIG 8 LOCATION A13-140

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mar 19890003: maybelle river - alberta...

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