J. D* Me Cmnnsll, 0*ologla t far - Ontario · to the strike of t hi* volcanic horiaon auggoit* thai...
Transcript of J. D* Me Cmnnsll, 0*ologla t far - Ontario · to the strike of t hi* volcanic horiaon auggoit* thai...
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42F*4NEae55 63.537 LOKEN LAKE 010
REPORT 01
RESISTIVITT SURVEY
ON PROPERTY OF
HEW FORTUNE MINES LIMITED
MANITOUVADaE LAKE AREA
DISTRICT OP THUNDER BAY
PORT ARTHUR MINING DIVISION., - ^ ' . ^--. ' ^' .
ONTARIO ^ ; r i
J. D* Me Cmnnsll, 0*ologla t far
WKLLINOTON STREET WEST TORONTO, ONTARIO
DEVELOPM3SWT COMPANY LTB*
GEO -TECHNICAL DEVELOPMENT COMPANY li M FT t D
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42F84NE0aS5 63.537 LOKEN LAKE O1OC
R B P O R T I l P B X
Introduotion ........*........*..,..*.*..*t Pag* l
Summary And Raoommendationa ....**........* Pag* l
Property, Location and Aooasa *..*..**..,.* Pag* 2
Topography, Qanaral Geology ........*...... Pag* 3, ^
Explanation of Raalativity M*thod ...t.**.. Pag* fy, 5
Int*rpr*tation of R*aiativity R*aulta ..*.. Pag* 5* 6
Surv*y Data *...*...................,*...*. Pag* 7
* * * * *
PLAN NO. l ......... R*aiatlTity Contoura andO*ologloal Int*rpr*tation*
(Drawing Raf. Ho.
GEO -TECHNICAL DEVELOPMENT COMPANY LIMITED
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Hew Fortune Mines Limited, 22 Toronto Street, Toronto, Ontario.
Gentlemen*
The following report describes the electrical
resistivity surrey conducted over twenty-six Mining claims
held by New Fortune Mines Limited and located four miles east
of Manitouwadge Lake, District of Thunder Bay, Port Arthur
Mining Division, Ontario*
The survey was conducted by Qao-Teehnioal Development
Company Limited during the period from February 7th to March 7th,
19514.* The results obtained on this survey are depicted on
Plan Ho. l accompanying this report*
Summary and Recommendations
The survey indicated three fairly well defined north
east trending linear zones showing relatively lower resistivity
and which have been interpreted as representing shearing or
faulting. Two possible geological contacts were alio suggested
by the electrical resistivity results. Throe anomalous sones
suggesting possible sulphide mineralisation are identified on
the accompanying plan by the letter,* - *A\ "B* and "C". Two of v~~- -' . i - -
these cones are associated with interpreted shearing or faulting
and the third with an Interpreted geological contact*
It is recommended that the next step in the exploration
of this claims group be confined to geological mapping and
detailed prospecting to be followed by diamond drilling where
deemed necessary*
GEO -TECHNICAL DEVELOPMENT COMPANY LIMITED
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The property of New Fortune Mine* Limited discussed
in this report consists of 26 mining claims located in the
Manitouwadge area, District of Thunder Bay* Ontario. The claims
form an almost rectangular block approximately one and a quarter
miles square and are further described as t
Claims numbered T. B. 14-7968 to T. B* 1^.8013 Inclusive.
The southwest corner of the claims group is roughly fc alio
north of Mileage Post 88 on the Regional Bast-West base lino.
Location and Access
The Manitouwadge Lake area la located approximately
65 airline miles southeast of Geraldton, Ontario and 1*0 airline
miles northeast of Heron Bay. The area is reached by air from
either of the two points mentioned above and various airway
companies operate chartered flights Into Manitouwadge Lake as
well as other small lakes in the general vicinity. Helicopter
service is also available and is very useful for reaching properties
where there are no lakes suitable for providing landing facilities
for standard aircraft.
A truck road constructed by companies engaged in
lumbering in the general area extends from Stevens, a point
on the Canadian National Railway, south to Camp 12 located la
the west part of the Manitouwadge Lake area mining camp. Several
bush roads service the immediate area around Camp 12 and ara suit
able for truck travel. The distance from Stevens to Camp 12 i*
approximately 30 miles. A winter road also extends north from
Helmo on the Canadian Pacific Railway and services legging camps
in the south part of the general Manitouwadge area.
GEO -TECHNICAL DEVELOPMENT COMPANY LIMITED
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' . ' ":
The moat direct approach td the claim* group dia*
cussed heroin is by aircraft and Gauglnoplkima Lak* if mi t able
for landing Beaver and smaller type planes.
Topography
The topography of the Hew Fortune Mine* Limited claim*
group is fairly rugged and consist* of low rook outer*? hills
timbered with spruce and Jackpine but whioh have beei in part
burned over in recent years. Conaiderable windfalls U* the ve)*t-t-s* .f l '
ern half of the claims group make* line cutting and traversing
quite difficult. However in the eastern part the teptfraphyiIs
lower with the result that the timber has been damaged very
little by bush fires. V ;v ~
A small lake known as Oauginopikima Lake ia Jtoated
just off the southwest corner of the claims group. A Jwminent•' " 1T' ,: '" " - n f*
draw extends in a northeast direction from this lake aej*esa t
eastern part of the claims group.
General Geology
Very little information has boon published on: t he--''I
geology of the Manitouwadge Lake area. A limited amount of. -J" reconnaissance work was conducted by the Ontario Depi/tment of
Mines and is shown on Map 1*1 j "Heron Bay and White L*J|f Area"
Sheet, published in 1932. This map accompanies
Report of the Ontario Department of Mines, Fart IV,. . V; 1 :. 1 ^!
The claims group discussed heroin is leeated'-vout".'•i/''-'* .
three miles east of that part of the Manitouwadge area Jwlo-
gized by the Ontario Department of Mines and shown ofJPP 1|1-J
so that actually no detailed geological information-IM boon
\
GEO -TECHNICAL DEVELOPMENT COMPANY LIMITED
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published on tho immediate area of tho Row Fortune Mines
Limited ground.
Map 1^1-J shows a band of early Precaaabriaft voleanio*
from l to 2 mile* wido extending in an eaat-weat direction
through tho Manitouwadge Lake area and bounded to tilt north
and louth by Algoman typo granite. The ore bodiea found on
tho Geoo Mine* Limited property are located on or near tho
north contact of this volcanic asaemblage with tho fVanitie
rock*. Tho location of tho Row Fortune property with yevpaet
to the strike of t hi* volcanic horiaon auggoit* thai ̂ Yourabl*
volcanic rock* could occur within tho limit* of tho ftempeny'*
26-claim group*
Sxplanation of Roaiativity Method
The method uaed by Geo-Teohnioal Development Company
Limited i* a form of the earlier reftiativity methof* modified
by some eight year* experience in th* field* ;;-
In ea*enoe v a known current l* put into jtb gi*mu4
and reading* are taken at 50 foot interval* along t^ picait
line* by aenaitive vacuum tube voltmetera measuring |IHI
drop across thia interval. Calculations translate fth**o.1,,:
reading* into reaiatanoe valuea in terma of ohv-oeftivote***
These are plotted on the map* i/ .
Due to tho inhomogeneity of tho medium o
in a bortt the complexity of tho geology and atructf** '
protation* are baaed on experience and a knowledge 1****
geological conditions in tho area being teated wit
particular method. Where tho latter are unknown,
pretation muat, of naceasity, bo limited or very
BEQ- TECHNICAL DEVELOPME NT COMPANY LIMITED
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w However, without any geological iaformation it i*
generally possible to differentiate between banded rook* sueh
as volcanics, sediments or gneiss snd large bodies of massive
intrusives, due to the difference of electrical oonduotlvity
between the various flows or beds. Strike trends, folding,
etc., are therefore readily picked up. In some oases, rook
contacts may be inferred.
Shear or fracture zones are relatively better con
ductors due to their higher water eon tent* Where extreme low
resistivity values are found, graphite or sulphides ir* indi
cated. Graphite is found in schist or shear zones or sedi
mentary horizons, which are shown by electrical Methods as,
generally, narrow low linear trends* Unfortunately, fro*
the point of view of interpretation, sulphides nay be present
with the graphite or may occur in shear zones giving similar
low linears.
Interpretation of Resistivity Results
The results of the electrical, resistivity survey
conducted over the property of Hew Fortune Mines Limited and
discussed herein is depicted on Plan No. l accompanying thin
report. The resistivity readings over the entire area varied
within a fairly narrow range but sufficient variations wore;
obtained to suggest significant structural features, the
contour pattern for the most part strikes in a north-east
direction which conforms with the general geological strike
of the area. Three quite well defined linear trends 0onform-
ing to this strike have been Interpreted as representing fault
ing or shearing. The location of these f suits are shown on
GEO - TECHNICAL DEVELOPMENT COMPANY LIMITED
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the accompanying plan.
A variation between the reading* obtained In the
extreme east part of the property aa well as In th* northwest
corner y as compared to those obtained over the regaining part
of the claims group, suggests geological contacts whieh are
shown on Plan No. l by heavy dash lines. A strong anomalous
condition indicated by quite low resistivity readings and
identified as the "A" anomaly occurs In the southeast oorner
of the claims group. This anomaly strikes northwest and is
normal to the regional strike in tile area* The association
of this anomaly with the interpreted geological contact sug
gests that the low readings could represent a oontaot sulphide
deposit.
A second small anomaly occurs immediately south from
the east end of the north base line and is associated with an
interpreted fault or shear zone. ThlB anomalous zone Is ref-1 : ' ."- ~" - -*;!* ' '
erred to on the accompanying plan as the "B" anomaly. A some
what similar structure referred to as th* "C" anomaly la
located near the north end of lines 28B and 32E and is also
associated with an interpreted shear or fault cone. Both of
these anomalies are important as possible s one s of stt&phlde
mineralization* j
Several other minor low resistivity *ones, for the
most part confined to one reading, were obtained Iforoughout
the surveyed area,
A general reconnaissance of the property during the
course of the survey indicated a considerable amount of rock
outcrop so that it may be possible to investigate some of
- GEO -TECHNICAL DEVELOPMENT COMPANY LIMITED
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the anomalous zones* outlined by the survey, from rook
exposures.
Survey Data
An electrical resistivity survey waa oonduoted oTar
the property of New Fortune Mines Limited located in th*
Manitouwadge Lake area, Diatrict of Thunder Bay, Port Arthur
Mining Division, Ontario.
The survey was conducted by Qeo-Teohnlcal Development
Company Limited during the period from February 7th to March
7th, 19514-f a nd the results are shown on Plan Mo. l accoiapanying
this report.
Two ea st-we s t baae lines war* eatablished, one nev
the south boundary and the other through the central portion
of the property* North-south traverse Unas were t or ne d of f
at 1^.00 foot intervals from these base lines. A lino waa ex
tended north from Mileage Post 86 on the regional east-west
base line and this waa established aa Lin* 0+00 on the Haw
Fortune Mines Limited property. The diatanoa from Mileage
Post 88 to the south baae line on the claims group vaa fount
to be 2,510 feet. The traverse linea were out during t h*
winter in heavy anow oonditiona ao that considerable bruah
and deadfalls will have to be removed to make theae iinea
amenable to summer traveraing.
Electrical resistivity readinga wore taken at 50
foot intervals along the north-aouth picket linea. These read
ings are shown on Plan Nn . l to the weat of t ho traverse linea
and are plotted in ohra-oentimeters x
BED - TECHNICAL DEVELOPMENT COMPANY LIMITED
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48006
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M A NIT l Wl TH
NflMI* ••ANlTI VITN 10*10 HOUMILINPI ft HOTITC
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47996
LOCATION MA*-
M A Ml TODWtDIt UA K l *ftl*
• CAI.* ' * i Mi Ut
^ l ''' Nw,
H Att LINC NO. l
NEW FORTUNE MINES LIMITEDAUGINOPIKIMA
GEOLOGICAL PLAN
LA KE MANITOUWADGE LAKE AREA T H UN D F R BAY DISTRICT
48FMNEM6B 63.637 LOKEN LAKE •- 'v \ ;C'/
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48001,47993 48007
47992
26 OHM-CM X 10*
? 46002
47991
LINES CUT AND CHAINED RESISTIVITY READINGS OBSERVED
RESISTIVITY CONTOUR
OUTLINE OF HILL OR HIGH GROUND
CLAIM BOUNDARY AND CLAIM POST LOCATION
OUTCROP
FAULT OR SHEAR INFERRED FROM GEOPHYSICAL SURVEY
BASE-
PROBABLE GEOLOGICAL CONTACT INFERRED
47990 4799547999
48004800
(UlTTlC LONft I.AC)
4799647989 48010MACLEOD
COCKSHUTT
MANITOUWADGE LAKE AREA t INCH* A Hik.it
A
iCAL*W85iSTIVITY SURVEY OVER PROPERTY OF
NEW FORTUNE LIMITEDMINESRESISTIVITY CONTOURS AND GEOLOGICAL
GAUGINOPIKIMA LAKE
INTERPRETATION
MANITOUWADGE LAKE AREA D (STRICT OF THUNDER BAY PORT ARTHUR MINING DIVISION
ONTARIO
GEOPHYSICAL SURVEY BY.
CEO-TECHNICAL DEVELOPMENT COMPANY LIMITEDPLAN NO l MARCH -1954
ISO IQU SO O
SCA L L l" ^ 200*
40O 900 fooe
63.637 LOKEN UKE aio