28
seotisweeaa BAGGY LAKE 010 AIRBORNE MAGNETIC SURVEY COMINCO LTD. MCVICAR LAKE AREA, ONTARIO. FILE NO: 19076 JANUARY, 1978 Surveys LlralirU, 6380 Vfacounl Road, Mississauga, Ontario L4V ,,I3
seotisweeaa BAGGY LAKE 010
AIRBORNE MAGNETIC SURVEY
COMINCO LTD.
MCVICAR LAKE AREA,
ONTARIO.
FILE NO: 19076 JANUARY, 1978
Surveys LlralirU, 6380 Vfacounl Road, Mississauga, OntarioL4V ,,I3
IP'"saonsweeae BAGGY LAKE 010C
CONTENTS.
:fl{-:
tf*
INTRODUCTION............. . . . . . . l
MAP COMPILATION............ . . . . l
SURVEY PROCEDURE....... . . . . . . . . 2
EQUIPMENT............... . . . . . . . 2
INTERPRETATION.......... . . . . . . . 3
AREA OUTLINE. ..... ..... . . . . . . . . 4
INTRODUCTION
This report contains our interpretation of the results
of an airborne magnetic survey flown in the Mcvicar Lake Area,
Ontario in October 1977. A brief description of the survey procedure
together with recommendations for ground follow-up is included.
The survey totalled 1146 line miles and was performed by
Questor Surveys Limited. The survey aircraft was a Trislander
C-GOXZ and the operating base was Pickle Lake, Ontario.
The area outline is shown on a 1:250,000 map at the end of
this report. This part of the National Topographical Series sheet
number 520.
MAP COMPILATION
The base map is an uncontrolled mosaic constructed from
National Air Photo Library l" ^ 264O feet on stable transparent
film from which white prints can be made.
Flight path recovery was accomplished by comparison of the
prints of the 35mm film with the mosaics in order to locate the
fiducial points. These points are approximately 4500 feet apart. The
flight line fiducial co-ordinates are digitized to disc using a
Luscom digitizer. The data stored on magnetic tape is also dumped
to disc. Data Plotting Services Ltd. then, using a contouring
plotting program, is able to plot a contour map of the magnetic
field using a Calcomp 748 flat-bed plotter.
The data is plotted up coarsely using 100 gamma intervals
first. This will reveal any errors in flight path recovery
digitizing. Also in this step the tie line is used to compensate
for any diurnal changes which may have occurred during the course
of the survey. Maps are plotted in this way successively until the
finished product is attained. In the case of the Mcvicar Lake map a
contour interval of 25 gammas was used.
1^'SURVEY PROCEDURE
Terrain clearance was maintained as close to 400 feet as
possible. A normal S-pattern flight path using approximately
one mile turns was used. The equipment operator logged the flight
details and monitored the instruments.
A line spacing of 660 feet was used.
EQUIPMENT
The aircraft are equipped with Mark VI INPUT (R) airborne
E.M. systems and Geometrics G 803 proton precession magnetometers.
The outputs of these instruments together with fiducial timing
marks are recorded by means of galvanometer type recorders using
light sensitive paper. Thirty-five millimeter continuous strip
cameras are used to record the actual flight path.
The instrument used for the magnetic survey was a Geometrics
G 803 proton precession magnetometer consisting of sensing element
and electronic console. The sensing element consists of a toroidally
wound coil with balancing trim turns to minimize noise pick up.
The coil is immersed in a selected hydrocarbon fluid rich in protons.
This is mounted on the nose boom of the aircraft. The electronic
console contains the circuitry required in processing the precession
signal.
The magnetometers, which measure the total magnetic field,
have a sensitivity of l gamma and a range from 2O,OOO gammas to
1OO,OOO gammas.
Because of the high intensity field produced by the INPUT
transmitter, the magnetometer results are recorded on a time-sharing
basis. The magnetometer head is energized while the transmitter is
on, but the read-out is obtained during a short period when the
transmitter is off.
Using this technique, tha head ir, energized for 1.15 seconds
while the precession frequency is being recorded and converted to
gammas. Thus a magnetic reading is taken every 1.3 seconds. This
value is then converted from analogue to digital and recorded on
magnetic tape using the Geometrics 704 Data acquisition system.
INTERPRETATION
The Mcvicar Lake Area lies approximately 40 miles west of
Pickle Lcike, Ontario. The geology of the area is that of a typical
greenstone belt as the rocks are predominantly a mixture of both
acid and basic volcanics and metavolcanics, interbedded with sediments
and metasediments, all of Precambrian age. Strike for this area
is'mainly e'ast-west with dip varying from 50 north to 50 south
in most places.
The magnetic survey has revealed several linear magnetic
anomalies that are quite long ( 2 miles) and are thought to be
formational conductors of IF or formational sulphides.
The anomalies trend with the general east-west strike of the area.
In the western part of the map area, iron formation units are present
in the sediments and the magnetic anomalies are typical of this.
In the south east part of the area, a mafic (gabbroic) intrusion is
present, and is reflected in the magnetic pattern.
QUESTOR SURVEYS LIMITED
F. W. Pollock,
Geophysicist.
rsSSS*^'- '.fe?.-*- -fk-v; -
w RESUME
mF. W. Pollock, 2460 Weston Road, TORONTO, Ontario, M9N 2A4.
IW
Graduation in December, 1975 from University of Toronto with
Hons. B.Se., Geology and Geophysics.
Thesis: Prospecting for massive sulphide ore bodies using
ground magnetic techniques.
Prior to graduation, I worked primarily for mining companies
as a land surveyor on geological mapping and drilling sites.
After graduation, I worked for a number of private companies,
doing magnetic and soil geochemical surveys. Since employment
with Questor Surveys Limited, in April, 1976, I have supervised
work and written reports for Radiometric, Magnetic, V.L.F., E.M.,
and INPUT E. M. airborne surveys. I have also taken an active
part in the research and development of new techniques.
m
QUEST(JR SURVEYS (LIMITED
6380 Viscount Ro* Mluluauga, Onto L4VIH3 Tel: 676-9880 Telex: 06-98361J
February 3, 1978. COW31NCQ
Cominco Limited,#1700, 120 Adelaide Street, W.,TORONTO, Ontario,M5E ITl.
FFB 9!978
EXPLORATION GEOPHYSICS E.D
To: Airborne Geophysical Survey as outlined in the Agreement between,-our two companies dated September 8, 1977.
Contoured Magnetics ~ Project #19076
Mcvicar Area 1146 line miles@ $3.00 per line mile $3,438.00
Dempster Area 1506 line miles@ $3.00 per line mile $4,518.00
Total Invoice $7,956.00
Data Delivered January 27, 1978.
fe
PROJECT NAME
{C lUxj
ACCOUNT COOS
CO1-
INVOICE BATCH No. C.O. /i.
QUESTS R SURVEYSLIMITED
f )80 Viscount Road Miuluauga, Onturic L4VIH) Teh 676-9880 Telex: 06-983611
February 3, 1978.
Cominco Limited,#1700, 120 Adelaide Street, W.,TORONTO, Ontario,M5E 1T1.
COW1ING6FEB 9197?. -. -
V * ' '
EXPLORATION GEOPHYS!CSL E:H
To: 'Airborne Geophysical Survey as outlined in the Agreement between our two companies dated September 8, 1977.
INPUT Survey - Project 119076 - MjcVicar S Dempster-\re.as
Mcvicar Area1146 line miles @ $33.80 per
line mile
Demptster Area 1506 line miles @ $33.80 per
line mile
Total
Less Paid to Date
Final Invoice
$38,734.80
$50,902.80
$89,637.60
$54,418.00
$35,219.60
Data Delivered January 27, 1978.
ACCOUNT CODS
coi-3 2 - O^o -
INVOICE CATCH Ko. C.O.
APPROVALS
s--
f:.
ONTARIO
Ministry of NatuiftI Resources
W'^: :H&fe-1 -''"iif^fev,'
Viri-irt: "'
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Airborne Geophysical Certificate
To the Mining Recorder at Red Lake:-
This is to certify that Cominco Ltd,, has net the
requirements of Section 87 of The Mining Act with
respect to the following 2J8 mininf, claims in
Baggy Lake, Cannon Lake, Mcvicar Lake, Saddle Lake,
Stoughton Lake and Cannon Creek Areas:
KRL. 471976 to 472024 inclusive
472026 to 472068 inclusive
4720H to 472083 inclusive
472086 to 472123 inclusive
472126 to 472172 inclusive
472311 to 472314 inclusive
472398 - 472399
472464 - 472465
472833 to 472844 inclusive
472862 to 472874 inclusive
July 20, 1978J'rmiU fi, K/Her, Minister
M1NKSTKY 0)-' tfATHa/U RKSOUHCRS
Ministry ofNaturalResources
Ontario
l
.1978 07 28
Your file:
Our Mo: 2.2713
Mr. V. TukkanenMining RecorderMinistry of Natural ResourcesBox 324Ontario Government Bldg.Red Lake, OntarioPOV 2MO
I
l
, fi.s\.m,
X
Dear Sir:
Re: Airborne Geophyeical (Magnetometer) Certificate Mining Claims KRL. 471976, et al, Baggy, Cannon, M c Vicar, Saddle and Stoughton Lakes and Cannon Creek. File 2.2713^..^.^^^^.^^..^^^.^^^.^
Enclosed io an Airborne Geophysical Certificate issued under Section 87 of The Mining Act.
Please indicate on your records that the time for performing the first and all subsequent periods of work for the claims listed shall fall due one year later than the times prescribed in subsection l of Section 85.
Also, please note we have adopted a new policy that henceforth all Airborne Certificates will be sent directly to the Mining Recorder,
Yours very truly,
McGinn, Director ids Administration Branch
Whitney Block, Room 6404 Queen's Park Toronto, Ontario M7A 1W3
OJ/ac
cc; Cominco Ltd.Toronto, OntarioAttn; Mrs. T. L. Fisher
cc: Resident Geologist Red Lake, Ontario
2-2,13
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SCALE: 1-^04 CHAINS
LEGEND
PATENTED LANDCROWN LAND SALELEASESLOCATED LANDLICENSE OF OCCUPATIONMINING RIGHTS ONLYSURFACE RIGHTS ONLYROADSIMPROVED ROADS
KING'S HIGHWAYSRAILWAYSPOWER LINESMARSH OR MUSKEGMINESCANCELLED
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NOTES
400' reserve around all lakes and rivers to Dept. of Lands and Forests.
DATE OF. ISSUE -
11978
SURVEYS AND MAPPING BRANCH
NATIONAL TOPOGRAPHIC SERIES 520
PLAN NO. 2 l 40ONTARIO
MINISTRY OF NATURAL RESOURCESSURVEYS AND MAPPING BRANCH
LO N LO CM
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DISTRICT OF KENORA
(PATRICIA PORTION)
RED LAKE MINING DIVISION
SCALE: l-INCH 1=40 CHAINS
PATENTED LA.NJDCROWN LAND SAlfcLEASES
LOCATED LANDLICENSE OF OCCUPATIONMINING RIGHTS ONLY
SURFACE RIGHTS ONLY
ROADSIMPROVED ROADS
KING'S HIGHWAYSRAILWAYSPOWER LINES
MARSH OR MUSKEGMINES
CANCELLED
(P)c r ©Loc.L.O
M.HO S H.O.
NOTES
400' reserve oround oil lakes and rivers
to Dept. of Lands and Forests.
DAT?, OF.
1 1978
SURVEYS AND MAPPING ——— JRANCH
5169(1
NATIONAL TOPOGRAPHIC SERIES 52 O
PLAN NO. 2140
ONT\R[Q
MINISTRY OF NATURAL RESOURCESSURVEYS AND MAPPING BRANCH
52011NEWM 52011SWM2e BAGGY LAKE 2-40
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RED LAKE MINING DIVISION
SCALE: 1-INCH±:4O CHAINS
LEGEND
PATENTED LAND ® CROWN LAND SALE csLEASES © LOCATED LAND LoCLICENSE OF OCCUPATION *--0* MINING RIGHTS ONLY M.R.O. SURFACE RIGHTS ONLY S.R.O.ROADS ~ —^IMPROVED ROADS " " "^KING'S HIGHWAYS ^O^^RAILWAYS ———————POWER LINES \^-. " MARSH OR MUSKEG IS.-JL?MINES KCANCELLED C.
NOTES
400 reserve oround all lakes and rivers to Dept. of Lands and Forests.
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PLAN NO. M -2575MINISTRY OF NATURAL RESOURCES
SURVEYS AND /.'AF'PiNG BRANCH
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LOCATED LAND
LICENSE OF OCCUPATIONMINING RIGHTS ONLY
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NATIONAL TOPOGRAPHIC SERIES 52 O
PLAN NO. M '2-575
MINISTRY OF NATURAL RESOURCESSURVEYS AND MAPPING BRANCH
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MINISTRY OF NATURAL RESOURCESANL) MAPPlNo BRANCH
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