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MAR 19890003: MAYBELLE RIVER Received date: Dec 31, 1989 Public release date: Jan 01, 1991 DISCLAIMER By accessing and using the Alberta Energy website to download or otherwise obtain a scanned mineral assessment report, you (“User”) agree to be bound by the following terms and conditions: a) Each scanned mineral assessment report that is downloaded or otherwise obtained from 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
Probably caused by conductive overburden
Probably caused by conductive overburden
Probably caused by conductive overburden
Probably caused by conductive overburden
Probably caused by conductive overburden
Probably caused by conductive overburden
Probably caused by conductive overburden
Probably caused by conductive overburden
Probably caused by conductive overburden
Probably caused by conductive overburden
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
Hudbay Uranium Company
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)
Hudbay Uranium Company
A Division of Hudson's Bay Oil and Gas Company Limited d
I
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PERMIT 6879030003 Twp 113 R6 W4M
DETAILED
GEOLOGY
_MAP DATE_ By SCALE NIS.
Figure 3 1 March 1980 G.I.W. ' 1:25000 1 74—L-15
I
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C.
00 110
0
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0
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0
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Flight line
2 channel anomaly
3 ,,
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. 5 ,, 5,
LEGEND
T N
JDIq6D 0003
0)
Hudbay Uranium Company
A Division of Hudson's Bay Oil and Gas Company Limited
P E R M I T 6.879030003 Twp 113 R6 W4M
AIRBORNE EM&MAG
(INPUT)
MAP DATE By $CALE ITS. FIG 4 Oa-8o DJ 1:25000 74-L-15
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LEGEND
FLIGHT LINE WITH FIDUCIAL AND FLIGHT DIRECTION
ALTA 13 FLIGHT NUMBER DPO OPERATOR: DAN OLSON MM MELVIN MOLTZAN
0
® ANOMALY (Followed up in 979)
--- - - PROPERTY BOUNDARY
0
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U
Hudbay Uranium Company
A Division of Hudson's Bay Oil and Gas Company Limited
PERMIT 6879030003 Twp 113 R6 W4M
AIRBORNE GAMMA
SPECTROMETRY
MAP P!!L IL SCALE N I S.
Figure 5 March 1980 15
G. lW. :25000 74 - L -
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Hudbay Uranium Company A Divion of Hud son's Bay Oil and Cis Company limited
AGS
GPU DATA OUTPUT
LOCATION A13-137
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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Recommended