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l l l l f' l i l i r' l l l l l t l l l l 32E85NEe031 2.12142 NOSEWORTHY 010 REPORT ON AN AIRBORNE ELECTROMAGNETIC SURVEY HURTUBISE, NOSEWORTHY AND TOMLINSON TOWNSHIP NORTHERN ONTARIO RECEIVED FE8 J 1989 MINING LANDS SECTION BRIAN GROVES SENIOR GEOPHYSICIST NORANDA EXPLORATION COMPANY, LIMITED (no personal liability) TIMMINS, ONTARIO AUGUST 17, 1988
Transcript
Page 1: AN AIRBORNE ELECTROMAGNETIC SURVEY i HURTUBISE, …€¦ · profile form in Maps 2, 3 and 4. A profile scale of 1mm ** 4 p.p.m. has been employed in the presentation. Also shown are

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32E85NEe031 2.12142 NOSEWORTHY 010

REPORT ON

AN AIRBORNE ELECTROMAGNETIC SURVEY

HURTUBISE, NOSEWORTHY AND TOMLINSON TOWNSHIP

NORTHERN ONTARIO

RECEIVED

FE8 J 1989

MINING LANDS SECTION

BRIAN GROVES

SENIOR GEOPHYSICIST

NORANDA EXPLORATION COMPANY, LIMITED (no personal liability)

TIMMINS, ONTARIO

AUGUST 17, 1988

Page 2: AN AIRBORNE ELECTROMAGNETIC SURVEY i HURTUBISE, …€¦ · profile form in Maps 2, 3 and 4. A profile scale of 1mm ** 4 p.p.m. has been employed in the presentation. Also shown are

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Table of Contents

l. Introduction

2. Location Of Survey Area asEesNEewi 2.12143 NOSEWORTHY 010C

l 3. Survey Equipment and Specifications

4. Data Presentation

5. Discussion of Results

6. Conclusions

List of Macs

lFigure l Location of Survey Area

l Map l Claim Sketch f.-

Map 2 E.M. Data (S.W. Sheet)

Map 3 E.M. Data (Central Sheet)

Map 4 E.M. Data (N.E. Sheet)

Page 3: AN AIRBORNE ELECTROMAGNETIC SURVEY i HURTUBISE, …€¦ · profile form in Maps 2, 3 and 4. A profile scale of 1mm ** 4 p.p.m. has been employed in the presentation. Also shown are

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Introduction

l During the period February 16 to 20, 1986, a helicopter-

m borne electromagnetic (E.M.) survey was performed by Dighem

Surveys and Processing Inc. of Mississauga, Ontario for Noranda

l Exploration Company, Limited. The survey covered 2 groups of

claims, totalling 169 claims, within Hurtubise, Noseworthy and

l Tomlinson Townships in northern Ontario.

2. Location of Survey Area

lThe 169 claims covered by this report are listed in the

appendix to this report. Figure l shows the location of the

survey area and Map l presents a claim sketch.

l The centre of the survey area is approximately 100

kilometres east-northeast of the town of Cochrane, Ontario and 80

* km northwest of the town of La Sarre, Quebec. The latter served

as base for survey operations.

3. Survey Equipment and Specifications

The survey platform was an Aerospatiale Squirel helicopter,

j "registration C-GFHP. Survey equipment installed in the

helicopter comprised a Dighem two frequency (900 Hz and 7200 Hz)

g E.M. system, a Sperry radio altimeter and a Geocam 35mm flight

path camera.

"

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LOCATION MAP

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79045'

49030*

11 250 000

FIGURE l

THE SURVEY AREA

Page 5: AN AIRBORNE ELECTROMAGNETIC SURVEY i HURTUBISE, …€¦ · profile form in Maps 2, 3 and 4. A profile scale of 1mm ** 4 p.p.m. has been employed in the presentation. Also shown are

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ll ^ E.M. data were recorded in both digital and analogue format

by a Sonotek SDS 1200 digital data acquisition system with a

l DigiData 9-track magnetic tape recorder and by a RMS GR33 dot

g matrix graphics recorder respectively. All data acquisition and

* recording equipment were installed in the helicopter.

lThe E.M. system employed three pairs of transmitting and

receiving coils at a separation of approximately 7 meters within

I a towed bird. Coil configurations were coaxial for the 900 Hz

and 7200 Hz and coplanar for the 900 Hz frequency. The E.M.

l system measured the in-phase and quadrature components of the

secondary E.M. fields at both frequencies and with an accuracy of

l approximately 0.5 ppm and l ppra for the 900 Hz and 7200 Hz

frequencies respectively.

l The E.M. bird, towed below the helicopter was maintained at

an average terrain clearance of 33 metres. The helicopter flew

at an average air speed of 130 km/hr along flight lines spaced

150 meters apart and oriented in a northwest-southwest direction.

l Flight lines were visually navigated using 1:10,000 scale

photomosaics. The navigator manually recorded the flight path onm " the mosaics with timing fiducials tied to prominent topographic

H 'features. A Del Norte Flying Flagman radar navigation system was

also employed to track flight path by reference to two fixed

l transponders on the ground.

l

l

Page 6: AN AIRBORNE ELECTROMAGNETIC SURVEY i HURTUBISE, …€¦ · profile form in Maps 2, 3 and 4. A profile scale of 1mm ** 4 p.p.m. has been employed in the presentation. Also shown are

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l ^ A total of 958 line km of survey flying was completed over

the survey area.

l— 4. Data Presentation

In-phase and quadrature components of the secondary E.M.

field at the 900 Hz frequency (coaxial coils) are presented in

profile form in Maps 2, 3 and 4. A profile scale of 1mm ** 4

p.p.m. has been employed in the presentation. Also shown are the

l locations of conductive responses (circular symbols) and flight

lines with fiducials. All data are presented on a photo-base, at

a scale of 1:10,000, showing prominent topographic features and

I claim boundaries. .

l Conductor axes are shown on all maps.

5. Discussion of Results

Numerous conductive zones have been defined on Maps 2, 3 and

4. Each map will be discussed separately.

Map 2 fSW Sheet)

l The data on this map are dominated by a central, northeast

trending zone of bedrock conductivity. This central zone,

l designated 1A, is characterized by two parallel, discrete

M conductors over the northeastern portion of the sheet. Towards

the southwest, the second conductor is only intermittently

defined. .

l

Page 7: AN AIRBORNE ELECTROMAGNETIC SURVEY i HURTUBISE, …€¦ · profile form in Maps 2, 3 and 4. A profile scale of 1mm ** 4 p.p.m. has been employed in the presentation. Also shown are

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Interpreted apparent conductance of the discrete conductors

J are in the range of moderate to high. This high conductivity and

the long, stratigraphic nature of the conductors would suggest a

" graphitic/pyritic source with associated pyrrhotite in areas

l where a magnetic association is noted with the conductors.

g Disruptions and dislocations in the conductor trends aref

- noted in the vicinity of flight lines 210,250,270-300 and 410.l These apparent breaks may reflect the presence of faults.

lElsewhere on the sheet, numerous anomalous responses have

l been defined and all are considered to have surficial or doubtful

I bedrock sources.

.S" '

l Map 3 (Central Sheet)

ifm Three zones (labelled 2A,2B and 2C) of anomalous

,,i. .

m conductivity have been defined on this sheet. All arel characterized by multiple discrete conductive horizons.

l; Zone 2A appears to be the strike extension of Zone 1A.

l However, magnetic associations with the discrete conductors are

limited to the extreme southwestern portion of this zone. This

would suggest that graphite and pyrite are the most probable

B causative sources for the conductivity in this zone.

l,.

l

Page 8: AN AIRBORNE ELECTROMAGNETIC SURVEY i HURTUBISE, …€¦ · profile form in Maps 2, 3 and 4. A profile scale of 1mm ** 4 p.p.m. has been employed in the presentation. Also shown are

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l ^P Zones 2B and 2C display formational characters with no

direct magnetic associations noted. Graphitic/pyritic causative

l sources are suggested.

lm As was the case with the previous sheet, several areas of

l apparent dislocation of conductive trends may reflect the

presence of faults.

lMap 4 (NE Sheet)

l Four zones of anomalous bedrock conductivity have been

defined on this sheet.

l'm Zones 38 and 3C are the strike extensions of Zones 2B and 2C

respectively.

lZones 3C, 3D and eastern portions of 3E are characterized by

conductors displaying generally high apparent conductances over

their strike extents.

l Over the central portion of the map, a distinct change in

conductor trend directions is noted. Although folding may belB inferred to account for this variation, faulting is also

B 'suggested due to the discontinuous nature of conductors in Zone

3E between flight lines 1120 and 1180. Faulting may also account

B for the apparent convergence of trends in this same area.

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Page 9: AN AIRBORNE ELECTROMAGNETIC SURVEY i HURTUBISE, …€¦ · profile form in Maps 2, 3 and 4. A profile scale of 1mm ** 4 p.p.m. has been employed in the presentation. Also shown are

il W As with the previous maps, the apparent formational nature,

high conductivity and lack of magnetic association with the

l conductors would suggest predominantly graphitic and pyritic

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causative sources.ll 6. Conclusions

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Several zones of anomalous conductivity have been defined by

the survey.

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l Most of the conductive sources are inferred to be graphiticl"1 or pyritic in nature.

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m Faulting is suggested in several areas by displacements in

' conductor trends and these areas should be considered to be of

J. l highest priority for ground follow-up.im fm f" Respectfully submitted,

l ll

Page 10: AN AIRBORNE ELECTROMAGNETIC SURVEY i HURTUBISE, …€¦ · profile form in Maps 2, 3 and 4. A profile scale of 1mm ** 4 p.p.m. has been employed in the presentation. Also shown are

#s Ministry ofNorthern Developmentand Mines_

Ontario

000*3Report of Work

(Geophysical, Geological, 3epchemkaJ.8nd Expenditu

Z^ ia ^cxJ

32E85NEea31 2.I2M2 NOSEWORTHY900

Type of Survey(s) l -~^ ,. r

Geophysical (airborne 4 EW.)NfJRANBArEKPlORATION CO. ITD. SUITE 1300 " '*iK*NG STREET WEST TORONTO, ONTARIO

Dighem Surveys A Processing Inc. oljLl 'Name and Address of Author (of Geo-Tecnnical report)

Brian Groves, P.O. Box 1205 Timmins, Ontario P4N 7J5

township or Area

Hurtubise, Nosewar'rhy. Tnm)jns[Prospector'* Licence N6. ' '

t* \ ' . ^ urvey (from ft to) Total Miles of lin* Cut

J&j Y?*! r^Pi^iG^. 958 kin

m

Credits Requested per Each Claim in Columns at right Mining Claims Traversed (List in numerical sequence)Special provisions Expand.

Da vi Gr.For tint survey:

Enter 40 days. (This includes line cutting)

See attache!

For each additional survey: using the same grid:

Enter 20 days (for each)

JAN 4 1969* ^.-^-ji/M- Other

5^7 l Geological

R^

Airborne Credits

Note: Special provisions Electromagnetic

credits do not apply

Expenditures (excludes power s GEOLOGICAL SUType of Work Performed ASSESSMENT FI

Calculation of expenditure Days C

Total Expenditures

Total number of mining claims covered by this

InstructionsTotal Days Credits may be apportioned at the claim holder's choice. Enter number of days credits per claim selected in columns at right.

For Office Use OnlyTotal DaysCr.jDaje Raco Recorded

Certification Verifying Report of Workl hereby certify that l have a personal and intimate knowledge of the facts tel forth m the Report of Work annexed hereto, having performed the work or witnessed same during and/or after its completion and the annexed report is true.

Name and Postal Address of Person Certifying

,C. Denommee, P.O. Box 1.205. Timmins, Ontario P4N 7JjDate Certified

Dec. 20, 198BCertified by (Signature)

1362 (8S/12)

Page 11: AN AIRBORNE ELECTROMAGNETIC SURVEY i HURTUBISE, …€¦ · profile form in Maps 2, 3 and 4. A profile scale of 1mm ** 4 p.p.m. has been employed in the presentation. Also shown are

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L.848801848802848803876309876310877376877377877378877383877384877385877386877390877391877392877393877394877395877398877399877400877401877402877405877406877408877409877410877411877413877415877416877417877418877419877420877421877422877423877424877425877426877427

.877428877429877430877431877432877433877434877435

LIST OP CIAUfft SKEENA PROPERTY

L.877436877437877438877439877440877441877442877443877444877445877446877448877449877450877451877452877453877456877457877458877460877461877462877465877466877467877469877470877471877476877491877493877494877495877496877497877498877499877500877501877504877505877507877508877509877510877511877512877513877514877515

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Page 12: AN AIRBORNE ELECTROMAGNETIC SURVEY i HURTUBISE, …€¦ · profile form in Maps 2, 3 and 4. A profile scale of 1mm ** 4 p.p.m. has been employed in the presentation. Also shown are

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Page 13: AN AIRBORNE ELECTROMAGNETIC SURVEY i HURTUBISE, …€¦ · profile form in Maps 2, 3 and 4. A profile scale of 1mm ** 4 p.p.m. has been employed in the presentation. Also shown are

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Ministry ofNorthern Developmentand Mines

Geophyslcal-Geologlcal-Geochemlcal Technical Data Statement

ntario

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) Airborne E.M.Township or Area Hurtubise, Noseworthy & Tomlinson Twp.

Claim Holder(s) Noranda Exploration Company. Limited

Survey Company Diqhem Surveys A Processing Inc. Author of Report Brian GrovesAddress of Author P.O. Box 1203, Timmins, Ontario

Covering Dates of Survey Feb. 16-20, 1986(linecutting to office)

Total Miles of Line (** 958 Line Km

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 crediti do not apply to airborne turveyi)

Magnetometer Electromagnetic — 20 Radiometric(enter day* per claim)

gir.MATITRF-uthor' of Aeport or Agent

Res. Geol.. .Qualifications.Previous Surveys

File No. Type Date Claim Holder

MINING CLAIMS TRAVERSED List numerically

(number)See Attached List

TOTAL CLAIMS. 169

837 (85/12)

Page 14: AN AIRBORNE ELECTROMAGNETIC SURVEY i HURTUBISE, …€¦ · profile form in Maps 2, 3 and 4. A profile scale of 1mm ** 4 p.p.m. has been employed in the presentation. Also shown are

GEOPHYSICAL TECHNICAL DATA

GROUND SURVEYS — If more than one survey, specify data for each type of survey

INDUCED POLARIZATION

RFSTSTTVTTY GRAVITY ELECTROMAGNETIC MAONETTf:

Niimher nf Statinne NiirnHer nf R pa ri ings

Station interval Line spacing

Profile srale

(Vuiroiir interval

Instrument

Arriirary — Srale rnnstant

niiirnal rorrertinn method

Base Station cher-lc-i" interval (hnnrs)Base Station location and value .

Instrument

Cnji rnnfjguratinn

Coil separation ., .,, . — ., -, . . .... , .... , ,Arrnrary

Method: D Fixed transmitter D Shoot back (D In line Frequency . ...,. ... . ,. . — .... ...

(ipecify V.L.F. nation) Parameters measured ., .. ...,, ..., ..... —... ,, ..

Jpetmment

Sraje rnnstant

Base station value and location

Elevation accuracy — . ——————————————————————————— -

Instrument ——————————————————————————————————————————— —————

Method D Time Domain D Frequency DomainParameters On time - Frequency

Off time -. - Range ————————

— Delay time . ————————————————————————— Integration tinr*

Electrode array ———— — ———————— — — —————————————————————— - —————Electrode spacing . ————————————— - —————————————————— - —————————— Tvoe of electrode . ..., ————————————————————————— — —————————

9 1

1

1

1m

1

1D Parallel line

1

1

1

1

1

1

1

1l

Page 15: AN AIRBORNE ELECTROMAGNETIC SURVEY i HURTUBISE, …€¦ · profile form in Maps 2, 3 and 4. A profile scale of 1mm ** 4 p.p.m. has been employed in the presentation. Also shown are

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SELF POTENTIALInstrument————————————————————————————————————— Range.Survey Method ———————————————————————————————————————————

Corrections made.

RADIOMETRICInstrument —^—Values measured.Energy windows (levels) ————.^-^-———-————.^——--^^—^^——-—-.———^——.Height of instrument___________________________Background Count, Size of detector^^-^^—-————————.—————.—————.———...—..—--—..—.Overburden —^———————.———————————-.——-——-...---——....——

(type, depth - include outcrop map)

OTHERS (SEISMIC, DRILL WELL LOGGING ETC.) Type of survey———-—.^^^———...^—-—-...———.Instrument ———-——-^^-—^————————-———^—-Accuracy—-——^-^———————^^-——^^^————Parameters measured.

Additional information (for understanding results).

AIRBORNE SURVEYSType of survey(s)___ElectromagneticInstrument(s) Dighem 2 - Frequency System (900 Hz k 7200 Hz)

(specify for each type of survey) Accuracy_____n.5 ppm ah 9PH H?

(specify for each type of survey)

Aircraft nspH Aerospatiale Squirrel Helicopter (C-GFHP)Sensor altitude——11 MetresNavigation and flight path recovery mpthnH Visual based on 1; 10. OOP photomosaics and 35mm

tracking camera and Del Norte radar positioning system __________________Aircraft altitude 60 meters ______________________ Lme Sparing 150.Miles flown over total arpa 93B line km _____________ Over claims ""'y Approx. 215 km

Page 16: AN AIRBORNE ELECTROMAGNETIC SURVEY i HURTUBISE, …€¦ · profile form in Maps 2, 3 and 4. A profile scale of 1mm ** 4 p.p.m. has been employed in the presentation. Also shown are

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GEOCHEMICAL SURVEY

' Numbers of claims frnm whi^h sarnp IPS taken. . ,

Total Number of Samples ,, ., __ ,,,.,,.,,Type "f Samp'*". ,

(Nature of Material)Average Sample Weight .Method of Collection....- .,, , ....

Soil Horizon SampledHorizon Development , , , ,. . ,, —

Sample Depth...Terrain

Drainage Development , ..., .-Estimated Range of Overburden Thickness,. . ., _ .

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

Mesh size of fraction used for analysis. ,, .

.

(General

- PROCEDURE RECORD ^^

ANALYTICAL METHODSValues expressed in: per cent D

p. p. m. O p. p. b. D

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

Other*

Field Analysis ( tects)

F.xtrartinn MethnH.

Analytical Meth^H

Reagent, I IceH

Field Laboratory AnalysisMn ^ teste)

F.Ytrartion Methnrf

Analytical MethnH

Reagents Used

OmnrnerriaT T.annratory ( teet^J

Name nf I-abnratory.....,,,.,..F.vtrartinn MethnH ,

Analytical MethodReagents IIseH

General ——————————————————————————

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

Page 17: AN AIRBORNE ELECTROMAGNETIC SURVEY i HURTUBISE, …€¦ · profile form in Maps 2, 3 and 4. A profile scale of 1mm ** 4 p.p.m. has been employed in the presentation. Also shown are

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LIST OF CLAIMS SKEENA PROPERTY

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Page 18: AN AIRBORNE ELECTROMAGNETIC SURVEY i HURTUBISE, …€¦ · profile form in Maps 2, 3 and 4. A profile scale of 1mm ** 4 p.p.m. has been employed in the presentation. Also shown are

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Page 19: AN AIRBORNE ELECTROMAGNETIC SURVEY i HURTUBISE, …€¦ · profile form in Maps 2, 3 and 4. A profile scale of 1mm ** 4 p.p.m. has been employed in the presentation. Also shown are

Hoblitzell Twp.(M.502)PBOJE i, U O L-NF

j L I03I9TO l L I03I9TI

-l ^ ^___L

Payntouk Lake

pt * T'--1- -'u,* A f ***" t . v*..*A *

,M- ^33-'t ^h^^

^J^fjl^l^t

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32E05NE003J 2.12142 NOSEWORTHY 200- Kenning Twp. ( M5I.6)

46 M

THE TOWNSHIP OF

TOMLINSONDISTRICT OF -COCHRANE ^

LARDER LAKEMINING DIVISION

/SCALE: 1-INCH 4O CHAINS,

LEGEND

PATENTEDCROWN. LAND

LEASES

LOCATED LAND

LICENSE OF OCCUPATION

MINING RIGHTS ONLY

SURFACE RIGHTS ONLY .

ROADSIMPROVED ROADS

KING'S HIGHWAYS

RAILWAYS ^?

POWER LtNCS

MARSH OR MUSKEG '

MINESCANCELLED c.

NOTES

i. l

DATE OF ISSUE

LARDER LAKE MINING RECORDER'S OFFICE]

NOTICE OF FORESTRY ACTIVITYTHS TOWNSHP ; AREA^FALLS WITHN THE ___.

IROQUOIS FALLS MANAGEMENT UNIT

OTHE MNR UNIT FORESTER FOR THIS AREA CAN BE CONTACTED AT: P.O. BOX 73O

2 THIRD AVE.COCHRANE. ONT.POL ICO705-272-4365

PLAN NO.- .604

MNISTRY OF NATURAL RESOURCES

SURVEYS , " MAPPING BRANCH

Page 20: AN AIRBORNE ELECTROMAGNETIC SURVEY i HURTUBISE, …€¦ · profile form in Maps 2, 3 and 4. A profile scale of 1mm ** 4 p.p.m. has been employed in the presentation. Also shown are

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Page 26: AN AIRBORNE ELECTROMAGNETIC SURVEY i HURTUBISE, …€¦ · profile form in Maps 2, 3 and 4. A profile scale of 1mm ** 4 p.p.m. has been employed in the presentation. Also shown are

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