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™,————————————— ^.,^,..,™,, WIW •J-.O. ff t^-rt-J.*t

42-A-15

Report on

Geophysical Work

Performed on

Mann 2-72, (Randa Option)

Mann Township

Porcupine Mining Division

Cochrane Area, Ontario

May 23/1973 Wayne E, LuntTimmins, Ontario Noranda Exploration Co., Ltd,

This report on the electromagnetic, and magnetic survey^ is submitted under the Special Provision dated October 16*, 1967, for credit of 60 assessment work days per claim.

Mann 2-72 (Randa Option)

Introduction;

The Mann 2-72,property, consisting of 14 contiguous mining claims,

was optioned from Mr. Ty Randa of 209 - 4th Avenue, Cochrane, Ontario by Noranda Exploration Co., Ltd. on the basis of an airborne E.M.

conductor which was located on his ground. The property was then

surveyed with both.magnetic and electromaqneti c instruments in an attempt to locate and evaluate this airborne conductor.

Location;

The 14 unpatented mining claims ramposina the Mann 2-72 property,

numbered P-346390 - 403 inclusive, are located in the Eh of the N^

of Lot 5, N^ of Lots 3 and 4, the W^ of the Sh of Lot 3 and E^ of the S^ of Lot 4, all in Concession V of Mann Township in the Porcupine Mining Division. The claim group is located 13 miles south and 2 miles east of the town of Cochrane.

Access;

Access may be obtained by travelling 5 miles west from the intersection of Highway 11 and the Concession V and VI boundary of Newmarket Township. The first three miles of the road leading west are paved; however, the remaining two miles are only accessable in winter or by and A.T.V.

Topography;

The terrain is characterized by a relatively flat plain^of conductive

clay. The Devonshire Creek crosses the southern portion of the property,

creating a small gully along its length.

Linecutting;

One Base Lini

#3 Post of claim # P-326390 for a total length of 6800 feet. Traverse

One Base Line, with an azimuth of 110 was cut east and west from the

-2-

Linecutting (cont'd):

lines were then cut at right angles to the Base Line and at 400 foot, interval ralong its length. Both the Base Line and the traverse lines were picketed at ^00 foot intervals. .. In total, approximately lg miles of lines were cut/ chained and picketed by Mr, Oscar Blais of 55 2nd Avenue, Schumacher, Ontario, under contract between December 15^, 1972

January 10, 1973.

Instruments and Sensitivity;Electromagnetic;

The electromagnetic survey was conducted using a vertical LoopElectromagnetic unit (V.E.M. ) , manufactured by Crone Geophysics Limited.

The instrument consists of a transmitting and receiving unit. The transmitter is composed of a transmitting coil, signal generating console and a 12 volt battery. The receiver is composed of a search coil, signal amplifier, clinometer and headphones.

The transmitting coil produces a primary magnetic field when it is subjected to an alternating current. If the alternating primary magnetic field comes in contact with a conductive body, a current within the conductor will result. It in turn will produce a magnetic field of its own which is termed the "secondary".

The direction of the resultant field (i.e. primary plus secondary) is measured at given receiving stations by using the search coil with its attached clinometer. The deviation of the resultant from the direction of the horizontal primary magnetic field is measured in degrees of dip. Readings are taken using transmitting frequencies of ^^(j) Hz and 390 Hz. The correlation of the results between the two frequencies gives an indication of the relative conductivity of the anomalous body.

The range of penetration of the primary field is normally considered to be approximately one-half the separation distance between the

-3-

Electromagnetic (coni'd):

transmitter and receiver; however, other factors such as conductiveoverburden may alter this situation.

The results of the V.E.M. survey are shown on the prints accompanying this report.

Magnetic;

The instrument used was a Fluxgate Magnetometer Model M 700, manufactured

by McPhar Geophysics Limited.

The Fluxgate Magnetometer measures the strength of the vertical component

of the total magnetic field in units of gammas. The magnetic field at

any particular station will consist of the vectoral sum of the earth's

magnetic field and magnetic field of any anomalous body. The latter

of these fields is caused by mineralization that is either naturally mag

netic or is capable of possessing a secondary field which is induces by

the earth's primary field.

To conduct the survey a base station was established with all subsequent

readings being taken relative to this value p By reading the Base Line

in this manner, it can be used as a series of base stations from which

the rest of the grid lines are read at 100 foot station intervals. In

the event of a zone of anomalous magnetics (i.e. greater than 200 gamma

change between stations) the station interval is reduced to^SO feet.

As the earth's magnetic field fluctuates with time, it is periodically

necessary to take readings at a base station to discern possible

instrument or magnetic drift. Any apparent changes in the magnetic

intensity which occurs during the time interval between base line checks

is then applied as a progressive adjustment to the readings taken during

that period of time.

When contoured, the results of the magnetic survey aid in the determination

of the strike, dip and depth of an anomalous body.

These results of the magnetic survey are shown on the prints accompanying

this report.

-4-

Geophysical Results;

Ele ctromagneti c:

The electromagnetic survey using a Crone VEM unit/ detected only one,

conductor extending from Line 36E at 1+50S to Line 56E at 3+OOS. It

is a relatively strong conductor with good conductivity ratios

particularly on Line 36E. The conductor does possess direct magnetic

correlation on Lines 36E and 40E. The remaining portion of the property

was devoid of conductors displaying any line to line correlation.

Magnetic;

The magnetic survey using a McPhar M 700 detected two anomalous zones

on the property, one of which occupies the NE corner of the property

and displays a NW-SE trend. It is likely the expression of peridotites

which are known to occur in this area. The second magnetic high zone

appears to trend E-W and occupies the southern most claims of the

property. Of significant interest is a small extension of this zone

in the vicinity of Line 36E and 40E at Base Line. This coincides with

the EM conductor which was located with the Crone VEM.

Conclusion;

One conductor with magnetic correlation was located by the geophysical

survey. An old drill site was located just south of the conductor and

it is believed to have belonged to Torbltt Silver Mines Ltd.

Wayne E. Lunt

Geophysicist

g

yE b O

42A15SW8028 2,1241 MANN 900

Mann 2-72 (Randa Option)

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

TECHNICAL REPDRl MUST CONTAIN INTERPRETATION, CONCLUSIONS ETC.

Type of Survey. Electromagnetic GeophysicalTownship or Ar™ "Matttti TowflsKip- - - ~ - - - Claim hnirw*) Nor anda. Exploration-Co., Ltd.

(No Personal"Liability)

Author of E. Lunt"89 Wilson Ave.,-Timmins, Ontario

Covering Dates of S.,™,.y Dec. 15. 1972 - Feb. 10. 1973(linccutting 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—Magnetometer—

—Radiometric——

—Other——————Geological.Geochemical.

C

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

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

DATK-May 23, 1973 SIGNATURE:—

PROJECTS SECTION Res. Geol. _____—— Qualifications of" l

Previous Surveys

Checked by. .date.

GEOLOGICAL BRANCH .

Approved by. .date.

GEOLOGICAL BRANCH.

Approved by. -date.

MINING CLAIMS TRAVERSED List numerically

P-' (prefix j

P

326390(number)

P-: r 326393

326395

326396

326397

32639

.326399.,

326400

326402

TOTAL CLAIMS-

Show instrument technical data in each space for type of survey submitted or indicate "not applicable"

GEOPHYSICAL TECHNICAL DATA

GROUND SURVEYS

Number of Stations—— Station interval———- Line

634 .Number of Readings. 634 HF 634 LF100 Ft.

spacing. 400 Ft.

Profile scale or Contour intervals.

MAGNETIC

l" = 2 0(specify for each type of survey)

Instrument.Accuracy - Scale constant — Diurnal correction method. Base station location———

ELECTROM AGN ET1C

Instrument Crone VEM

Coil rnnfiEnratmn Vertical LOOP TX.

Coil station 400, 800, 1200 Ft.

AccuracyMethod:

2 Degrees per scale division

Frequency.S Fixed transmitter

390 Hz and 1430 HzO Shoot back D Inline D Parallel line

Parameters measured. GRAVITY

Instrument __________

(specify V.L.F. station)Degrees of dip of resultant E.M.F.

Scale constant.Corrections made.

Base station value and location.

Elevation accuracy^^.^^...—.,^^....^-....-^^. INDUCED POLARIZATION - RESISTIVITY

Instrument.Time domain. Frequency——Power————-

Frequency domain. . Range——————

Electrode array—— Electrode spacing.. Type of electrode ,

File.

gW

b b O

GEOPHYSICAL - GEOLOGICAL - GEOCHEMICAL TECHNICAL DATA STATEMENT

Mann 2-72 (Randa Option)

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 S MagneticMann TownshipTownship or Area.

Claim hnirWc Noranda Exploration Co., Ltd.

(No Personal Liability)Author of import Wayne E. Lunt

89 Wilson Avenue, Timmins, Ontario^——-— Covering Dates of Sii™Py Dec. 15. 1972 - Feb. 10 r 1973

(linccutting to office) Total Miles of Line cut___Ik?.^————-...^-—.——..^^———-—-—.^—

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

Geological.Geochemical.

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

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

DATR. May 23, 1973 SIGNATURE:Agent

PROJECT'S SECTION Res. Geol. —.^^— Qualifications.Previous Surveys

Checked by. .date.

GEOLOGICAL BRANCH.

Approved by. .date.

GEOLOGICAL BRANCH.

Approved by. -date.

MINING CLAIMS TRAVERSED List numerically

P(prefix)

P

P

P

P

t^ P

p

.........E................

P

P

P

P

326390(number)

326391

326392

326393

326394

1 .3.26.3.95............. -g

326396 f

1 326397 1

.3263.98.............. ij

326399 S

326400

326401

326402

P 3264Q3

TOTAL CLAIMS 14

Show instrument technical data in each space for type of survey submitted or indicate "not applicable"

GEOPHYSICAL TECHNICAL DATA

GROUND SURVEY?CQA *7 C C

Number of Stations______________________________Number of Readings ——————Station intf-r^i 100 Ft., 50 Ft. in anomalous zonesLine spacing______4QO Ft *Profile scale or Contour intervals________200 gammas

(specify for each type of survey)

MAGNETIC

McPhar M-700Instrument.10 gammas per scale divisionAccuracy - Scale constant —

Diurnal correction ™ihnd closed loop; progressive adjustmentBase station location_____Line 4E at Base Line—-——————-

ELECTROMAGNETIC

Instrument.Coil configuration. Coil separation ——Accuracy—-.———.Method: CH Fixed transmitter d Shoot back O In line D Parallel lineFrequency__^_^_________^__________^^___________________________________

(specify V.L.F. station)

Parameters measured_____:^—————~———-———^^-—-—-————^^——.—————.^—————--—-—————. GRAVITY

Instrument.Scale constant.Corrections made.

Base station value and location.

Elevation accuracy-————————^—————INDUCED POLARIZATION - RESISTIVITY

Instrument.

Time domain——————————————————————————— Frequency domain. Frequency_______________________________ Range—————.——Power.———^^—^———-——^—^————.—-—————..——-^———.——-——Electrode array—— Electrode spacing. Type of electrode.

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VI

V

II 1C 9 8 7 6 4 3 2

Little Twp.

cu42AI5SW8028 2.1241 MANN

200

V

I

CL

O

E

THE TOWNSHIP OF

ANND STRICT OF COCHRANE

PORCUPINE!M!NG DIVISION

SCALER-INCH-40 CHAINS

-

i r~~ (**r~ M J-\LcuLNU

^TFNTFS 'AN;)

CftO'^N L. A SO S^Le.

LEASESLOCATED 1 uA^4D

LiCt^^f Of- OCGROADS

i M P ft 0 V H (. H' 0 A C r,

' P; i

04 ,.(L)

L.C

PO^EH^ LiNCS

MAHbH. OS M USKfGWATERS-POWER

h-

ONTARIO

MINISTRY OF NATURAL RESOURCES* cuSURVEYS AND MAPPING BRANCH

Con VI

Con V

Con V

Con IV

4 41' 48E 56E 6Oi

5 J

64 E

68E

j tsf39t . V*'"'.*1

LOCATION PLAN

MANN 2 -72 f Rondo Option}

LEGEND- NcPhar Wvtgot* M-fOQ

REAOIN6S- Oinctly w gommo*

Contoured 91 ~ -So

isvmogtntttc Contours 500

42A15SW092e 2,1241 MANN

. 7

Mogntttc

Best St o t ion-

Oat* of Survey

EM X-Overs (LF,HFJ

Defined Ar/o/ Trend

Assumed Axiai Trtnd

No, of readings -

A^Aj^ U rtttstof*

REVISED^

PROJ.N9 N.f.S. -*r

DWG.N9

MAGNETOMETER SURVEY

MANN 2-72 fRonda Option)

PROJECT:

SUPVEYED BY:

DRAWN BY:

DATE--. .

SCALE -

NORANDA EXPLORATION CO. LTD.OFFICE:. T lMMINSjONT. . .. ......

Con VI

ConV

Con V

Con IV

42AI5SWSW20 2.1241 MANN

00 4El

8E l? t (BE 24 E 28E 3 P E 3 6 E: 40E 44 E 4 SE s? e. 56 E

l

Lot 5 Lot 4 Lot 3

N.

68E

REVISE

PROJ.N9NT.5.DWG. N9

.

'V4i',

LOCATION PLAN

MANN 2-72 (Rondo Option)

^ ' v,-tt

LEGENDINSTRUMENT- Croat It f

READINGS - Di f Oflf/fs in

Nortt nettings p/ofttd to tftt rt'oAf of

Sou f ft r to dings plotted to to* lift of lino

L. r, f 39 O cot) p/otftd etoso to tyt tin*

HFjfSSOtptJ ptotttd rtmott from lino

Scffto of Protib- l":2O*,

Oof it of Svrvoy -

Trofltmlttor Location

f M.

/\ T- 2

Axtol rrtne1** .

Asst/mod Axial Tftna/ f--''

No of rgodings - 63? ^.^

V.L.E.M. SURVEY

MANN 2-72 (Rondo Option)

PROJECT: Scut h t,":;t n tone A

SURVEYED BY--

DRAWN BY:

DATE'-,.

SCALE :t":.1CQ'

NORANDA EXPLORATION CO. LTD.OFFICE: TIMMINSjQNT,

aao