ASSESSMENT RPT ON NORTHERN EAGLE MINES LTD PROP ...

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52F87NW0e46 8.7859 LOWER MANITOU LAKE ASSESSMENT REPORT ON NORTHERN EAGLE MINES LTD. PROPERTY BLANCHARD LAKE AREA LOWER MANITOU LAKE l l TECK EXPLORATIONS LIMITED l NORTH BAY, ONTARIO l l l l l l l RECEIVED g '-C1 O li 1984 MINING LANDS SECTION l by T.N.J. Hughes l l REPORT NO 934NB N.T.S. 52 P/7 l 010 l 1984-08-28

Transcript of ASSESSMENT RPT ON NORTHERN EAGLE MINES LTD PROP ...

52F87NW0e46 8.7859 LOWER MANITOU LAKE

ASSESSMENT REPORT

ON

NORTHERN EAGLE MINES LTD. PROPERTY

BLANCHARD LAKE AREA

LOWER MANITOU LAKE

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TECK EXPLORATIONS LIMITED

l NORTH BAY, ONTARIO

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l RECEIVED

g '-C1 O li 1984

MINING LANDS SECTION

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T.N.J. Hughes

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REPORT NO 934NB N.T.S. 52 P/7

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010

l1984-08-28

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INTRODUCTION

l l ll The Northern Eagle Mines Ltd. property is located in

the Manitou Lakes area, approximately 35 miles south of the

town of Dryden. The property consists of 21 contiguous

l claims (Fig. 2) recorded from August 4 to August 29, 1983.

l From January to March, 1984, a program of linecutting

and VLF-EM and magnetometer surveys was conducted.

land recommendations for further work are made in this

LOCATION AND ACCESS

The results of the geophysical surveys are discussed

and

l report

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l Located on and south of Blanchard Lake and on part of

m Lower Manitou Lake, the property is partially water-

covered. Access to Lower Manitou Lake is possible along

l bush roads branching off Highway 812, which parallels the

lake system approximately 10 miles to the east. Fixed wing

aircraft are also available for charter in Fort Frances or

Dryden.

LOCATION MAP

SCALE s l 1,600,000

?0 O 20 40

RAINY RIVER

BAUDETTEVi

V. INTERNATIONAL FALLS

Figure l

MANITOU M-2007

735024(735023 Blancha^d

735032)750895

735042 j 735043 (734985

— - __l — - — -\^. K |K |K |K

734974 l 734980*7349811 -X

— - — U — —'— —.K K ,K

734975 '734979,734982

TECK EXPLORATIONS LIMITED

CLAIM LOCATIONNORTHERN EAGLE MINES LTC

l" 2640'

Figure 2

PREVIOUS WORK

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Other than an Ontario Government sponsored Tridem

l airborne regional EM s magnetic survey performed in 1979,

there is no record of previous work on the Northern Eagle

l Mines Ltd. property in Government reports or assessment

m files. A description of showings and prospects in the

surrounding area is given in a report previously submitted

l to Northern Eagle Mines Ltd. (Burton and Hodge, 1983).

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lTOPOGRAPHY AND VEGETATION

l Approximately 60% of the claim area is water covered.

The land portions are rocky and peneplained, with spruce,

l b'alsam and cedar trees.

1984 EXPLORATION PROGRAM

Work Performed

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™ Linecutting

l A two-grid system consisting of 3.55 miles of surveyed

lines and 16.21 miles of picket lines was established.

l Cross lines were spaced at 400 foot intervals and were

picketed at 100 foot intervals. The grid covering the

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l Northern Eagle Mines Ltd. property is part of a larger grid

B covering several contiguous properties.

l Geophysics

VLF-EM and magnetometer surveys were completed on all

l cross-lines at 50 foot intervals on the north grid. VLF-EM

m surveys were done with a Crone Radem unit using the Cutler,

Maine station as a transmitting source. Magnetic readings

l were taken with a Scintrex MF-2 magnetometer and were

corrected for diurnal change using a base station on Manitou

l Island.

On the south grid, VLF-EM and magnetometer surveys were

l completed on all cross-lines at 50 foot intervals using the

Scintrex Integrated Portable Geophysical System,

l Magnetometer readings were corrected for diurnal change

using a base station located on Manitou Island. The Cutler,

Maine station was used as the transmitter for the VLF-EM

l survey.

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Results

l Geophysics

A total of 43 VLF-EM conductors were located. Two of

these are possible bedrock conductors (H, I) and the

remaining 41 are caused by surficial conductivity or weak

lB ionic conductivity. The conductors are predominantly weak,

j of short length, with only background magnetic signature.

32 of the surficial conductors are located in the lake.

lThe magnetic data was contoured to aid in

l interpretation of the geological trends. Highs are rare and

j very small. Overall trend indicates a strike direction of

N40 0 E. The highest magnetic reading is approximately 2,500

l gammas above background and is situated in the

central portion of the property. Magnetically, the property

l is relatively flat.

ll CONCLUSIONS

l VLF-EM and magnetic surveys revealed two possible

M bedrock conductors and several magnetically high lenses.

The VLF conductors may represent weak sulphide bodies or

l ionic conductors such as wet shear zones. Gold deposits in

the area are associated with both of these.

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RECOMMENDATIONSl

lAs a first step in the 1984 summer field program it is

l recommended that the land portions of the property be

geologically mapped. In conjunction with this, the VLF-EM

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conductors and rare magnetic highs on land should be

prospected and sampled if explained in bedrock.

REFERENCES

Burton, G.B. and Hodge, H.J., 1983, Report on Manitou

Straits Property, Manitou Lakes Area, District of Kenora,

l Ontario for Northern Eagle Mines Ltd.

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GEOPHYSICS LEGEND

MAGNETOMETER SURVEY (MAG.) SELF-POTENTIAL SURVEY (S.P.)

•TO gommoi1190

1840

1110

•40

INSTRUMENT : Operator i

All Voluee Ntgollvi

•90Pollliv* Anomaly

looo Arbitrary Bait

11*0Negative Anomaly

INSTRUMENT i Operator i

ELECTROMAGNETIC SURVEY

10" T

NORTH aEAST TILTS

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SOUTH D WEST TILTS

BROADSIDE

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FIXED TRANSMITTER

INSTRUMENT Optrator i Coll Sip. ' Frtqutncy '

SHOOTBACK (Horizontol aCo-Axiol)

80" -

NORTH 8 EAST TILTS

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SOUTH a WEST TILTS

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NORTH a EAST TILTS

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1NSTRUMENT i 1 2pirotor t n.- Station i

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1STRUMENT t operator i oil Sep. i

MoxMin (H. E. M)

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INSTRUMENT i )ptrotor i , :oll Stp. i

- METRIC

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CRONE GEOPHYSICS LIMITED

3607 WOLFEDALE ROAD, MISSISSAUGA, ONTARIO, CANADA.

Phone: (416) 270-0096

AN EM RECEIVER MEASURING

THE FIELD STRENGTH, DIP ANGLE AND QUADRATURE COMPONENTSOF THE VLF COMMUNICATION STATIONS

FIELD STRENGTH materBATTERY test and "STEADY" or "KEYED" signal switchesINCLINOMETER

FIELD STRENGTH range switch

VOLUME CONTROL ON-OFF switch

STATION SELECTOR switch

BATTERY COMPARTMENT (inside)

CONDUCTOR DIRECTION ARROW SPEAKER

This is a rugged, simple to operate, ONE MAN EM unit. It can be used without line cutting and is thus ideally suited for GROUND LOCATION OF AIRBORNE CONDUCTORS and the CHECKING OUT OF MINERAL SHOWINGS. This instrument utilizes higher than normal EM frequencies and is capable of detecting DISSEMINATED SULPHIDE DEPOSITS and SMALL SULPHIDE BODIES. It accurately isolates BANDED CONDUCTORS and operates through areas of HIGH HYDRO NOISE. The method is capable of deep penetration but due to the high frequency used its penetration is limited in areas of clay and conductive overburden.

The DIP ANGLE measurement detects a conductor from a considerable distance and is used primarily for locating conductors. The FIELD STRENGTH measurement is used to define the shape and attitude of the conductor.

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^i;io,*.Kr.^-

The MF-2 is a completely new concept in vertical force fluxgate magneto-motors. These instruments, which ore designed for fast and accurate mineral ground surveys, arc orientation independent, self levelling and require no tripod. The MF-2 combines the electronics and sensor in one compact 3 3/^ Ib. package. An external dry cell battery pack is provided as standard power source for the instrument. As an'Option, recharge able batteries may be provided and housed direct ly in the instrument.With the latest I.C. and F.FT. circuitry and high precision components, a temperature stability bet ter than 1 gamma per C is standard (with .25 gamma on special order) over a range of —40 ' to -HO'C.The instrument has a built-in hemisphere polarity switch providing two overlapping ranges, for the Northern hemisphere the full range is -f 80,000 to —20,000 gammas, and reversible for the Southern hemisphere.A calibrated feedback system can be provided which makes it possible to determine the total vertical component strength.Measuring resolution, on the 100 gamma scale (optional) is 0.5 gamma, and on the 1000 gammac m l r* ic K n,'i m m.'i Q

\MiiMi irTirj-mttoirT

same electronics and specifications as the MF-2, but the sensor is detached and enclosed in a small cylindrical tube which permits it to be oriented and tilted in any desired direction. A 25 foot cable connects the sensor to the instrument housing. This version is particu larly suitable for the study of the magnetic properties of rocks, and the measurement of magnetic field components of any orientation, etc

b) MF-2GSThe MF-2GS Magnetometer has the same electronics and specifications as the MF-2 but has two sensors, the enclosed self-levelling sensor of the MF-2 as well as the detached geoprobe of the MF-2G, either one of which can be employed at any one time. Thus, this instrument can be employed as the standard MF-2 and for the determination of the magnetic properties of rocks, etc.

c) MF-2-100100 gammas and 300 gammas full scale ranges are added to the standard MF-2 and its options.

I Scintrex has used low power consumption microprocessors and high

• density memory chips to "create the IGS Integrated

• Portable Geophysical System; instrumentation which will change the way

•you do ground geophysics.

• here are the main benefits 'which you will derive from

the IGS family of instrumen tation:l1. You will save time and

I money ip the acquisition, processing and presenta tion of ground geophysi-

I cal survey data.

2. You will achieve an im-

I provement in the quality of data through enhanced reading resolution, an in crease in the number of different parameters measured and/or a higher density of observations.

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3. Your operator will ap-

I preciate the simplicity of operation achieved through automation.

|4. Since add-on sensors are relatively less expensive,

I 'your investment in a range of IGS instrumentation may be much less than it

— would be with a number l of different instruments,

each dedicated to a dif ferent measurement.

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7ftO Scintrox IGS-2/MP-4/VLF-4 permits ono operator to v/ticioiWy measure both magnetic and VLF fields end lo record data in computer compatible solid-state memory,

Description

Block diagram showing how the IGS-2 can be complemented by VLF-4 and MP-4 options to function as a VLF receiver and/or magnetometer.

Duat Col! VLF " Magnetic FieldSensor

VLF - Electric Field Dipole

/ Two VLF Processing Circuit Boards

/C

Program EPROM

VLF-4VLF Electromagnetic Sensor Option

Keyboard DisplayMicroprocessor Memory

IGS-2System Control Console

Total Held or Gradiometer Sensor

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Summary of Important Features of Scintrex MP-3, VLF-3 and IGS Based Instrumentation

• Common Features Magnetics VLF

l Magnetometer~~7 Processinp

Circuit Boa;d

j——-j. Program 1 l TT l* EPROM

MP-4Proton Magnetometer Sensor Option

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Simple operation via keypad32 character LCD displayDisplays present and previous dataAlarm and warning messagesensure data quality'Speaks' any language with LatincharactersSolid-state memory expandable tohold several days' dataRecords actual coordinatesRecords timeRecords header InformationRecords ancillary dataPermits revision of dataOutputs to commonly available.printers, modems, tape recordersand microcomputersPrints data lists and plots profilesdirectly on a digital printerOrganizes data by grid, lino andstation number, regardless of theorder In which data wore takenSeveral power supply optionsWide operating temperature range

Additional features found in both MP-3 and IGS-2/MP-4.

0.1 gamma resolution over 20K to 100K gamma range Total field and vertical gradient measurements High gradient tolerance Same console for portable, base sta tion or mobile survey applications Keyboard selectable automatic or manual tuningAutomatic diurnal correction without a microcomputer

Additional features found only In IGS- 2/MP-4.

* The VLF-4 VLF Electromagnetic Sensor Option can bo added so that one operator can make both magnetic and VLF readings

Additional features found in both VLF-3 and IGS-2/VLF-4.

* Measures both VLF-magnetic and VLF-electric fields

* Values are normalized by thehorizontal vector amplitude, to over come errors due to varying primary field strengths

* Calculates resistivity and phase angle

* Digital tuning to any VLF station* Automatic measurement of up to

three VLF stations* Automatic tilt compensation* Signal/noise enhancement through

automatic signal stacking* Automatic gain adjustment

Additional feature found only In IGS- 2/VLF-4

* The MP-4 Proton Magnetometer Sen sor Option can bo added so that one operntor can make both magnetic and VLF readings

w'O

2.7259 LOWER MANITOU LAKE 900

L .:-,: r : i, hi t id. P -ys Ci." i " '

J i/ \ : -. ! *:'o A1 .

(l \-\ k '-'AG) i Lower Manitou Lake - M2007"R."j."v;'r?oht ! P' c-', r-f r ' o* 'f L k f r * r f- No.

A38823

P.O. Box 10, l Hrst Canadian Place, Toronto, Ontario, K5X l A2|E . ^f y Co- :.i-nv

Teck Explorations Limited|Dste o) Fjrvey (fiorn f,' to)

i 10 01 84 115 03 84j n?y Wo. l Yr. j Day [ Mo. j Yr,

l :i:t,l Mile; of line Cut19.7

K. Trioi'srii, 2 i 89 Aloonauin Avenue, uorih Bay, Ontario, F3B 'J 73

20

F o- i rt l. i ciui'.ior.a! survey: u-jiric \ lit Sr.'ne p' id:

E r,if i ?0 fiays (for tech) [

Gfc^chernical

- xfj-'. iiDiv.j't'F. tC'xciiioc: poxYC'i sti ippint))

ir .. . -""'T' C* '"^ i i --.-::™:-;,j:::i,: |l^

lci'lciiion of E xpenditurt' Dfiys Credits

T ci*! F x EI* ndil Lir esTotal

De yf C' cc

l n s * f u c 11 Ci n slot&l Deys Credits, may t't apportionnd at the- claim holoer's choice. FnU:r number of Ofiys c f td i t*, pt-f ciamt selected in colun'ins at tipht.

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K j 734974 ,

734975

; 734976

; 734978

734979

734980

1 734981

734982

734983

734035

i 734^6

735023

, 735024

735031

'. 735032

j 735033

'. 735034

735042

735043

: 750895

750896

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4

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Df.ys Gr.

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.... ...—

tetfyl?H?d

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N'iinirip Cih-rn Pr ef (X N'urnhfcT

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- . . . , .

- - - - -

i

j V'S Cr.

fc j s **1 f\ S* ^^ t f"^ Total number of mining j ||'A 7^2 7 x X ^ ~sr,tbv 1his l JL J

l Ret orcifd Hcil6t-r of Atitni (SipriftT ure) |

l.-.^^.-.:--J

__L2iPilLc yiL2nl^loia! Day^ Cr.lDf.tt; Recorded

July 20, 1984 ^ ^ ^^ ^

Q^l^^-i'^i'^' ^' er ^y in ? Rfcpor; o| Woik^ _ ^ ^ .^, - , __ _________ f _ ^vL. __l.^ __ -—l fif-tftiy fcrtiiy if'.cU ! have K personal csnd i mi mat e knowSfcdot of tht facts set forth iri the Report oi Work anneyied hf^ro, havirig performed t hi work or vviinessi't: senif during ariC! ;oi bitei it^ completion end t li f eirincxed ifcpon as true. —

N kT^ioFst'f? c,' 0 Ti8 19ffAlgonr 'qu lfn Avenue, North Bay, Ontario, P1B 423Date Certified

July 20, 1984Certified L, :?f8 r'S'

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Ontario

Ministry of Natural Resources

GEOPHYSICAL - GEOLOGICAL - GEOCHEMICAL TECHNICAL DATA STATEMENT

File.

TO BE ATTACHED AS AN APPENDIX TO TECHNICAL REPORTFACTS SHOWN HERE NEED NOT BE REPEATED IN REPORT

TECHNICAL REPORT MUST CONTAIN INTERPRETATION, CONCLUSIONS ETC.

Type of Survey(s). Township or Area. Claim Holder(s)—

Geophysics, EM, MAGLower Manitou Lake AreaR.J. Wright

Survey company Teck Explorations Limited Author of Kppnrt T.N.J. Hughes_________Address of Author 2189 Alqonquin Ave, North Bay, Ontario Covering Dates of Survey January to March 1984_______

(linecutting to office)

Total Miles of Line r.nt 19.76___________________

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.—Magnetometer——Radiometric———Other——————

DAYS per claim

20

Geological.Geochemical.

AIRBORNE CREDITS (Special provision credits do not apply to airborne surveys)

Magnetometer. .Electromagnetic . Radiometric(enter days per claim)

DATE- Oct. 1.1984 SIGNATURE:Author~of Report or Agent

Res. Geol..o

. Qualifications rv'

Previous Surveys File No. Type Date Claim Holder

MINING CLAIMS TRAVERSED List numerically

K 734974(number)

;........j^49Lza....................

.X..........7.3.4S.82.

.^..........734.9.86.

.K..

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735024

..K.

..^. ..73503.3.

3

TOTAL CLAIMS——21

837 (5/79)

GEOPHYSICAL TECHNICAL E

GROUND SURVEYS - If more than one survey, specify data for each

Numher of Stations M3Q 1925 EM 1940 N,,mhe,

(ATA

type of survey J^f

rofReadinas Mad 1925 EM 1940

Station interval 50 feet Line spacing 400 feet

Profile scale 1 inch * 40 O

Contour interval lOOqammas

Instrument Scintrex MF-2 Sr.1nt.rpx TGS-P/MP-dH Arr-nracy - Srale constant i D.5% Of full SC3le ^.1

g niurnal correction method B3S6 Station

5 Basf Station ch^ck-in interval (hours) 24

Rase station location and value Mam'tou Island and Lower

gamma resolution over 20k to 100k

Manitou Lake

rii instrument Crone Radem VLF Unit Scintrex IGS-2/MP-4ft Coil configuration Horizontal S vertical25O Coil separation .

*H' Accuracy - 'f*-'0 -'*Q ^ Method: [^3 Fixed transmitter d Shoot backu Frequency 17.8kHz, Cutler, Maine*J (specify V.L.F. station)

Parameters measured Dip AnqleS Phase Angle

Instrument

Scale constant:*H Torrections made

(^ O Base station value and location

Elevation accuracy

Instrument

Z Method 1 1 Time Domain DO P Parameters — On timeM H - Off time*— 1 rtt! G ^ ^ —Delay time,, . .....J p 'c^ f-* *^ D tL Povi/er

D Electrode array — ————- ——————————————————————————Q 2; Electrode spacing —— ——— —————————————————————————t— i r o

Type of f]f ri rode .

D In line CD Parallel line

Frequency Domain FrequencyRange

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0SELF POTENTIALInstrument

Survey Method

Corrections made

RADIOMETRICInstrument

Values measurer!

Enerpy windows (levels)

Height of instrument

Size of rletertor

Overburden

Ranpe

Background Count

(type, depth — include outcrop map)

OTHERS (SEISMIC, DRILL WELL LOGGING ETC.)

Type of survey

Instrument

Accuracy

Parameters measurer!.

Additional information (for understanding results),

AIRBORNE SURVEYSType of snrvey(s)

Instrument(s) —————————————————————————————————(specify for each type of survey)

Arriirary(specify for each type of survey)

Aircraft used

Sensor altitudeNavigation and flight path recovery method

Airrraft altitude

Miles flown over total area.

T.ine Sparing

Over claims only

GEOCHEMICAL SURVEY

Niimhers of rlaims from whirh samples taken.

Total Numher nf Samples.Type nf Sample

(Nature of Material) Average Sample Weight

Method "f f^olJertion

Soil Horizon SampledHorizon Development.Sample DepthTerrain

Drainage Development, . — ,—Estimated R?mpp "f fVerhmden Thickness

SAMPLE PREPARATION(Includes drying, screening, crushing, ashing)

Mesh si/e "f fraction used fnr analysis.

General,

- PROCEDURE RECORD jAx^

ANALYTICAL METHODSValues expressed in: per cent CD

p. p. m. Q p. p. b. D

Cu, Pb, Zn, Ni| 'Co, Ag, Mo, As.-(circle)

Others

Field Analysis ( tpsts)

Extrartion Methnd

Analytical Methnd

Reagents I Ised

Field Laboratory AnalysisNn. { tests)

Evtrartinn Method

Analytical Method -Reagents Used

Comrnerrial T.^horatory ( tects)

Name of V.ahoratory

KxtrS'-tinn Method,

Anfllytiral Method ,

Reapents Used

General ————————————————————————————

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Mining Lands Section

Control Sheet

File No

TYPE OF SURVEY ^ GEOPHYSICAL

____ GEOLOGICAL

____ GEOCHEMICAL

EXPENDITURE

MINING LANDS COMMENTS:

Signature of Assessor

fi-O?

Date

Ministry o(NaturalResources

Ontario

Order of the Minister

The Mining Act

Room 6450, Whitney Block Queen's Park Toronto, Ontario M7A 1W3 416/965-1380

In the matter of mining claims:

734974-75-76734978 to 83 incl734985-86735023-24735031 to 34 incl735042-43750895-96

in the Area of Lower Manitou Lake,

R.J. WrightOn consideration of an application from the recorded holder,———under Section 77 Subsection 22 of The Mining Act, l hereby order that the time for filing reports and plans in support of

Geophysical (Electromagnetic R Magnetometer) a^tment work recorded nn -luly 25, iQ84be extended until and including October 3,____19 84

Data Signature*of Director, Land Management Branch

Copies:

R.J. WrightP.O. Box 10l First Canadian PlaceToronto, OntarioM5X 1A2Mining Recorder Kenora

cc: Teck Explorations Limited 2189 Algonquin Avenue North Bay, Ontario P1B 4Z3

1333 (82/1)

q 6899

Location Map

Te ck Exp lor a tions

MAGNETOMETER SURVEY

SCINTREX MAGNETOMETER

BLAKE CONTRACTING

Accompany

Limited

NORTHERN EAGLE MINES LTD,LOWER MANITOU LAKE AREA

MAGNETOMETER SURVEYNORTH SHEET 4

ft[y

200 6 400

l he h i 200

400 ,9VM P'' l

OftMNN BY'6.S.K.

CONTOURED.

B.G H.DATE iMAR.1984 52F/7

N.T.S. JO*1439

OWG NO 5689 b

Locution Mop Teck Exp lor a tion s Limited

MAGNETOMETER SURVEY NORTHERN EAGLE MINES LTD.LOWER MANITOU LAKE AREA

MAGNETOMETER SURVEYSCINTREX MF-2 MAGNETOMETER

FRED BLAKE CONTRACTING SOUTH SHEET

To Accompany Rfeport No52FC7NMM6 2.7259 LO1BI tMMITOU LAME

D 6899

Location Map

Te ck Explorations L mitedVERY LOW FREQUENCY

NORTHERN EAGLE MINES LTDLOWER MANITOU LAKE AREA

V.LF-E.M. SURVEYNORTH SHEET

O 200

l Inch ' 200 tt i t

40 0 WIST o IA*T 40*

To Accompany Rtpor? No. 5689 aS./2S8 UOW6R MANITOU LAKE

04.*_.^\r.' i

/'

s vvS *

, 7'

*fvk. J^. \. *

- v AN

^ X-.

o x v

V ^rvx^,\v4- : V f -®^* .*

Location Mop

2.7259 L01B) *MNITOU LAKE

-—- ^