Q O V.L.F. ELECTROMAGNETIC &UR7-.Y
Brighisand Lake 4 River AreaMAR 2 11974
PROJECTS UNITLOCATION
The property ID situated south of Gridiron Lf-Ve ne&r
Sturgeon Lake in the Thunder Bay Mining Division (Formerly Petricio-
y.ining Division)
OWNERSHIP
The cltiras are held by V. H. fceakin, ?.. ?.. ^It, Thunder
Bay, Ontario,
The twenty six claims covered by the survey are:
Pa 287848 to Pa 287852; Pa 287855 to Pa 287860: Pa 287863 to ?*. , ' -.
and Pa 287875 to Pa 287879. P^ 5*
ACCESSIBILITY
Access to the property is most readily achieved by floi.t
or ski equipped aircraft. The closest commercial airbase is that
of Rusty Kyers^ situated at the north end of Sturgeon Lake, approip-.atel.
twenty miles north north west of the property.
GEOLOGY
Geology of the area is contained in the Ontario Department
of Kines Geological Report #24: "Ketionga Lake Area" by David P.
Rogers, 1964. A detailed geological map and report covering the
claim group has been previously submitted.
PREVIOUS WORK
Previous work consists of: line cutting, geological
mapping, E. M. survey (Crone J.E.K.) and a magnetometer survey.
THE SURVEY
A V.L.F. survey was carried out using the Geonlcs E.t-'. 16.
This instrument is a 'one man instrument utilizing low frequency
radio waves transmitted from military transmitters situated around
the globe. A station in t-he same direction as the geological strike
;{V i*'.
chosen in order to give a maximum coupling with the conductor.
The direction of thti magnetic component of the transmitted field
is horizontal and perpendicular to the geologic strike. The field
direction and thus the travers direction is perpendicular to the
transmitter location.
The E,K. 16 measures the secondary field generated by
conducting bodies when they are subjected to the transmitted primary
field. The receiver has two inputs, with two built in receiving
coils; one coll has normally vertical axis and the other is horizontal.
The signal from the vertical coil is minimized by tilting
the instrument. The tilt angle is measured in percentage. The
remaining signal in this coil is finally balanced out by a measured
percentage of a signal from the other coil after being shifted by
90 degrees. This coil is normally parallel to the primary field.
' The survey was carried out by W. H. Keakin betweens'
October 15 - 30 1973 under the supervision of Peter G. Cooper,
geophysicist.
Using the existing grid lines, readings were taken at
100 foot stations with additional readings at 50 foot intervals
across anomalous zones. Line spacing is 400 feet. In all, ^-1^7,
stations were occupied, 917 one hundred foot stations and 220
intermediate stations. All readings were taken with the operator
facing north. North dips are designated plus; south dips minus
From this data two maps have been compiled; a profile
map from values at 100 foot stations and a contoured map from
processed data at 50 foot intervals using the D. C. Frazer method.
PURPOSE OF THE SURVEY.
The previous E.M. survey indicated twelve seperate
conductors. The present survey has clearly connected nany of these
along, strike, defining six recognizable zones and pin pointing^^
..l, -'
;.f "- ' - - ' 3
drill targets within these zones.
RESULTS AMD DISCUSSION'S
The six principal anomalous zones have been designated
A, B, C, D, E, and F. All these anomalies occupy long structural
features and all have magnetic correlation with the exception of
anomaly E.
TONE A maintains a fairly uniform width of 200 feet and contains
a central core of several elongate lenses of high conductivity. On
line 28E at 500N rusty outcrop was observed and at 600N in the vicinity
of lines 40 and 44E, beneath the roots of blown down trees, the topsoil
is red with rusty oxide. This anomaly is undoubtably due to sulphides.
ZONE B This conductive zone varies in width from 200 to 450 feet.
Rusty outcrop was noted on the base line at 52E. On the base line
at 64E some shallow "pop-shots" reveal heavy pyrite-pyrrhotite
mineralization. Several lenses of high conductivity are contained
within this zone.
ZONE C This zone, more complex than A and 3 is about 400 feet wide
at the west end. The central part contains one or possibly two lenses j
of none conductive material wheras the eastern extension divides !
into two closely parallel zones. The magnetics exhibit greater
intensity over the south or footwall side of the occurrence, possibly \
indicating zoning of the sulphides. Rusty outcrop was observed at
1400N on line 44E. At 2000N on line 40E e email creek draining to
the north is depositing a rusty precipitate. On the south side of
the zone at 1300N on line 48E a stagnant swamp area contains rusty
precipitate.
70\TES D 6 F Both of these conductive zones have pronounced magnetic
correlation. Though no physical evidence as to their cause was
noted, sulphide mineralization is suspect. j
\mAKOvHv B THie Short eondu. U or interest. It appears t,^. ̂ ^^nt of an, *- -s a ,ov cogent
magnetic variation
pre8ent survey has denneated a nuE,er of interest^
ano.aliec. In order to ^ evaiuate these occurrences however, a
prograde of diamond drilling would be necessary.
Submitted by fS (..~.^* . L.J- -'T'
Peter G. Cooper,
Geophysicist.
t;
O
3
52G16SEee06 52G16SWe0M MOUNTAIRY LAKE900 LL - GEOCHEMICAL
TECHNICAL DATA STATEMENT
TO BE ATTACHED AS AN APPENDIX TO TECHNICAL REPORTFACTS SHOWN HERE NEED NOT BE REPEATED IN REPORT
TECHNICAL REPORl MUST CONTAIN INTERPRETATION, CONCLUSIONS ETC.
RECEIVED
MAR 211974PROJECTS UNIT,
Type of Survey
Township or
Claim
Electromagnetic
Author of
Brightsand Lake a River Area W. H. Meakin.-———————...—. R. R. 12 Thunder Bay. Ontario. Peter Q. Cooper.________
253 Lincoln St.. Thunder Bay. Ontarip. Covering Dates of s ..rv.-y Oct. 15 1975-March 15 1Q74
(linecultini to office)
Total Miles of Line cut—————-^————.——————.——.
SPECIAL PROVISIONS CREDITS REQUESTED
ENTER 40 days (includes line cutting) for first survey.ENTER 20 days for each additional survey using same grid.
Geophysical -Electromagnetic
— Radiometric-Other ——Geological.Geochemical..
AIRBORNE CREDITS (Special proviiion credit! do nol apply to airborne lurvcyi)
Magnetometer .Electromagnetic. .Radiometric(enter dayi per claim).
DATE- March 20/74 SIGNATURE:!^Author of Report or Agehl
PROJECTS SECTION
Checked by. .date.
GEOLOGICAL BRANCH.
Approved by- .date.
GEOLOGICAL BRANCH.
Tdby'y-,''rtJ !!;fei?*-' ;:SK-'..'
.date.tgS'f.' V|fcx- j:~;;ij--Q iW)2fr#'!^;-
MINING CLAIMS TRAVERSED List numerically
(prefix) (number)
.r.ft...?.87850^.....P.a..2R7P77 t̂i
.?.?... 2.8jP.?5.?..^.....JR8...2S7.SlS!..^..
Pa 287^56
.P.a,,?87,8.57,,^.Pa 287858
.?J?....?87.8.5a.....rf^r5.Pa 287860 J-^ q o
Pa 287 86 A
..fA..2.^.8.()5.....t:........^..w.*filt.*.ff.':.
.Ea..287.e;66.
..Pa..^.^.?...^'..
i Pa..287869...X'.
Pa.287070
Pa..^.^^...^.
TOTAL CLAIMS. 26
Show instrument technical data in each space for type of survey submitted or indicate "not applicable'
GEOPHYSICAL TECHNICAL DATA
.Number of Readings———2 27 A
1QP foot
Contoured 9 0.25.50.75.100.150.200. Profile scale;(tpecify for each type of lurvey) .
^ 60J5
•.; Accuracy!;-Scale constant_-l -. l i'i r---t '
Diurnal correction method..
.' Base station location.
- ELECTROMAGNETIC
Instrument. Qeonlc E. M. 16, V.L.F. unitCoil configuration. Coil separation— — Accuracy———;— Method: ; ,Frequency—————
N/AN/A
Plus or minus03 Fixed transmitter
18*6 Keg. .D Shoot back D Inline
Seattle, Washington ————Q Parallel line
Parameters GRAVITY
Instrument
(•pec if y V.L.V. lUtion)The IN Se OUT of phase responses of the vertical components of the secondary fields.
Scale constant.Corrections made
Base station value and location.
Elevation accuracy____..—————————— INDUCED POLARIZATION - RESISTIVITY
Irfstrumcnt________:_____________
Time domain.-
FrequencyFrequency domain.
.Range———— ——Power.Electrode array
; \ ' : Electrode spacingi "' " . f:,- 1 ;!!}.;'! *. ; - J
-l \
VY*r'?f**': :' * ~ 'f- •'•y^"' '' ?,.;if' V.', .7;
287838 28T837 287830
PROJECTS S ECTION MINISTRY OF NATURAL RESOURCES
TECHNICAL ASSESSMENT WORK CREDITS
P.. P- 2' U38
Recorder Holder
Township or Area
MR. WILLIAM,H. .MEAKIN
MOUNTAIRY LAKE
Type of Survey and number of Assessment Days Credits per claim
it
i
GEOPHYSICAL
Electromagnetic .....................2.9......days
Magnetometer ...............................days
Radiometric .... .......................days
Induced Polarization .....................days
GEOLOGICAL...........................................days
GEOCHEMICAL........................................days
Man days j_j Airborne!_J
Special Provision Uy Ground Uj
NOTICE OF INTENT TO BE ISSUED
j j Credits have been reduced because of partial coverage of claims.
[ j Credits have been reduced because of corrections to work dates and figures of applicant.
NO CREDITS have been allowed for the following mining claims as they were not sufficiently covered by the survey:
Mininq Claims
Pa. 287848 to 52 inclusive
287855 to 60
287863 to 72
287875 to 79
Thf Mining Recordtr mf y rtduc* in* fbove credits H ntcttury in ordtr last th* lout numotr ol fpprovtd ta&amtnt tttyt nconjni on tach cliim dot* not **Cffd tht mmxtmum tllowttttt follow* G*ophytte*t- 8O: Gtoto&ul - 40:
Ontario Mlnlftry of Natural Resource*——RiCIIVlP——
Ministry of Natural 'Resource*
RECEIVED
JUl 2
BAY
Ministry ofNaturalResources
JUL 3 1974REGIONAL DIRECTOR
THUNDER BAY
June 25, 1974
Mr. R. A. BaxterRegional DirectorMinistry of Natural Resources235 Bay StreetThunder Bay, OntarioP7B IRA
Our file number 2 .1438
YCJI hie number
Dear Sir:Re: Mining Claims Pa. 287848 et al,
Mountairy Lake. File 2.1438
The Geophysical (Electromagnetic) assessment w rk credits as shown on the attached statement have been approved as of the above date.
A copy of this letter should be sent to the Mining Recorder who should inform the recorded holder of these mining claims and so indicate on his records.
Similarly a copy of this letter together with the encloa duplicate technical report and maps should be sent to Resident Geologist.
Yours very truly,
forJ. R. McGinnDirectorLands Administration Branch
Whitney Block, Room 1617Queen's ParkToronto, OntarioM7A 1X1Phone: 416/965-6918
DN/mw
cc: Mr. William H. Meakin Thunder Bay, Ontario
cc:
cc;
cc:
Mining Recorde Thunder Bay, Ontario
Resident Geologist Thunder Bay, Ontario ^
Regional DirectorKenora, OntarioAttn: Mr. W. A. Buchan
i r
SEE ACCOMPANYING MAP® IDENTIFIED AS
l -
LOCATED IN THE /AAR CHANNEL IN THE FOLLOWING SEQUENCE
Seal*.' Imch m tOmiltt*
LEGEND
/S -e
O, Z5f 75, /OO, /50, 300
52G16SE9*a6 52G16SW88I4 MOUNTAIRY LAKE
SURVEY b y:
DRAWN by:
DATE ; 73 r s
N. T. S 52 G/16
SCALE: 1 inch : 400 feet
V*'
K
u
V.LF EM. SURVEYV
STURGEON LAKE AREAONTARIO
THUNDER BAY MINING D IVISION
GRIDIRON LAKE PROPERTY
LEGEND
Axia.7 conductive.
In j /"r a m c n f
On ri^Hf of //Wr
/*//
/fi phase
fa attar* 337
Pro f j /e. Jc, a /f.', l i ne H
40?* 2OZ O WZ JO?*
Jetttfr r-
937
52Q16SE0006 S2G16SW0SH4 MOUNTAIRY LAKE 210
SURVEY by: tf.tf-
DRAWN by: rf.t/.
DATE: Ocf -
N, T. S. 52 G/16
SCALE: t 'inch-40O feet
V.LE EM. SURVEY
STURGEON LAKE AREAONTARI O
THUNDER BAY MINI N3 DIVISION
GRIDIRON LAKE PROPERTY
M