REPORT ON THE SILVER BAR EXTENSION PROSPECT

PACAUD TOWNSHIP, LARDER LAKE MINING DIVISION

ONTARl

32D04SW0089 OP91-152 PACAUD

Mark Shore December 1, 1991

Table of contents.

Introduction

Location and access

Linecutting

Geophysics

-Max-Min

-VLF

-Magnetics

Geology

Conclusions and recommendations

References

Statement of qualifications

Analytical results

Maps (Geology. Max-Min. VLF. Mag. 1:2500)

COpi^S OY\\y l delude

32D04SWOOB9 OP91-152 PACAUD

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of L 113 I'L'LO appendix. M.S.

Introduction.

Over the period of July to September, 1991, exploration work was carried out on seven unpatented mining claims in NE Pacaud Township, Larder Lake Mining Division, Ontario. The claims are currently held by Glenn J. Mullan of 76 First Street, Kirkland Lake. The claim numbers follow:

L 1132218 L 1151328 L 1151329 L 1151331

L 1151408 L 1151409 L 1151417

Work performed included linecutting, geological mapping, prospecting, Max-Min, VLF and magnetic geophysical surveys. Work was funded by OPAP Grant OP91-152 to the author.

Location and access.

The claim group is located 1 km east of the settlement of Boston Creek, and is reached by an all-weather gravel road extending from the end of Highway 564. This road runs through four of the seven claims, providing excellent access. Topography is subdued on the group, with the greatest relief being a moderately sloping 15 m decline just north of the access road. Forest cover consists of open to very thick second growth poplar, spruce, birch and balsam, in approximately that order of abundance. Some jack pine, cedar and elm(?) were also noted.

Linecutting.

A total of 12.1 km of line was cut. Cross lines were oriented at 450 Az, roughly perpendicular to geological strike, and were spaced 100 m apart. Pickets were placed at 25 m intervals along the baselines and cross lines.

Geophysics.

Max-Min.

An Apex Parametrics Max-Min II was used for the HLEM survey. Transmitter/receiver spacing was 92 m (300') and signal frequency was 1777 Hz. Readings were taken every 25 m. Data (in-phase and out-of-phase readings expressed as percentages of the primary

field) are plotted in profile form on the map accompanying this report at a scale of 1:2500 and 1 cn^207o.

No bedrock conductors were detected by the Max-Min survey. A broad, weak negative out-of-phase anomaly on L6W to L8W (dotted outline 1 on map) is due to conductive wet overburden. A broad, weak positive in-phase anomaly on L4W to L7W (dotted outline 2 o n map) is due to magnetic induction effects in the magnetite-rich Boston Creek Komatiite (BCK).

YLF.

A Geonics EM-16 instrument was used for the survey. The station employed was Annapolis, Maryland (MSS, 21.4 kHz). Readings were taken every 25 m. Data (dip angle tangents (in 07o) and quadrature (in 07o of primary field)) are plotted in profile form on the accompanying map at a scale of 1:2500 and 1 cnr^2007o.

Several weak to moderately strong VLF anomalies were detected by the survey and are labeled A, B, C, and D on the map. All four anomalies are subparallel to local geological structure. A and B are interpreted as bedrock shears or faults. C is probably a deep continuation of B, and D is most likely caused by an abrupt variation in overburden thickness.

Three other anomalies have not been labeled as they are caused by known cultural, topographic or geological sources. These include the powerline on the west edge of the claim group which creates a very strong cross-over anomaly; the beaver stream and swamp which cause a strong negative dip angle anomaly on the NE end of L8W; the contrast in resistivity and magnetic susceptibility between the BCK and the tholeiitic basalts above and below it, which cause moderately strong cross-overs near the NE ends of L2W to L6W.

Magnetics.

A Gem Systems GSM-8 magnetometer was used to measure magnetic total field. Readings were taken every 12.5 or 25 m, depending on the horizontal magnetic gradient. Diurnal variations were corrected by looping and manual correction. Results are plotted as contours on the accompanying map, scale 1:2500.

Magnetic relief is 10 000 nT, with the largest variation found over the outcropping, iron-rich BCK. Other highs of 3000 nT or less occur over shallow gabbro bodies. A point of interest is that although the highly sheared Pacaud Structural Complex (PSC) appears to consist of homogeneous medium to light green folded and foliated rocks, there is over 2000 nT of magnetic relief over the PSC which reflects lithologically-controlled variation in magnetite content. These highs appear to form tightly folded discontinuous sheets, although this is not easily seen on the hand-contoured map.

The magnetics show no clear evidence for a faulted contact between the PSC and the Wawbewawa Group to the NE, but the thickness of the overburden in the region between the two units could mask such a contact.

Geology.

The property was mapped and sampled by the author and an assistant in August, 1991. Outcrops were tied in by pace and compass to cut grid lines. Samples (a total of 30) were taken and analyzed where mineralization warranted.

Outcrop over the seven claims is divided evenly into two groups: the highly strained metavolcanics of the Pacaud Structural Complex on the western third of the claim group, and the much less deformed mafic volcanics of the Wawbewawa Group on the eastern third of the group. [For regional interpretation see Jackson and Harrap, 1989.] No outcrop was observed in the middle of the group due to thick, bouldery sand overburden and dense forest cover.

The PSC rocks form a monotonous series of sheared and tightly folded, light to medium green metavolcanic rocks. The foliation plane is subvertical and trends 3100 Az, with local variations of up to 200 . Highly elongated relic pillows were recognized on several large clean outcrops on the brushed-out powerline right of way. Granitic dikes up to 1 m wide were relatively common, and an undeformed 25 m wide diabase dike was found in the SW corner of the group.

No gossans were observed in PSC rocks, although they commonly had Q.5-1% fine euhedral disseminated pyrite. The only quartz veins observed were small, folded, discontinuous and bull- white.

Mineralization observed in Wawbewawa Group rocks included 1-207o disseminated pyrite in gabbro, quartz veins carrying up to 507o pyrite in massive basalt flows and the Boston Creek Komatiite, and a pyritic chert immediately overlying the BCK. A moderate amount of work (stripping outcrop and trenching quartz veins) had previously been done on two areas of the grid, one centered on the BCK at [4+50W, 2+50N] and another on basalt around [5+OOW, 0+50N]. The samples taken of these mineralized quartz veins and pyritic/chloritic wall rock returned no gold values of interest.

The largest new vein discovered [4+70W, 0+40S] during mapping was 1 m thick, and was observed to strike 3350 Az for 10 m before overburden became too thick to peel back. No pyrite or other mineralization was observed in the vein, and four samples taken returned trace to below detection limits for gold.

A low knoll was stripped over the BCK, exposing an 8 m length of the flow top and an overlying mineralized chert up to 60 cm thick, both striking 3300 Az. Six samples of the chert returned negligible values of Cu, Zn, Au and Alf- 1.*- M-t-

Microscopic native silver, gold and PGM have recently been reported in the BCK (Stone et al, 1991), although no quantitative analyses were given. A total of five samples taken from different levels within the BCK were analyzed for gold and PGE. One was below Pt and Pd fire assay detection limits, and three showed expected background PGE values for ultramafic rock. One split of sample BCK-2 returned a value of 5400 ppb Au. A second split returned a gold value of 26 ppb. It is not known whether this is due to a natural nugget effect or lab contamination.

Conclusions and recommendations.

The PSC rocks and their included quartz veins have undergone a large amount of shear strain. Any mineralized veins which formed before the deformation event are likely to be narrow, discontinuous and hard to follow. It may be worth remembering that this was a serious problem for the copper mines and prospects immediately west of the group. No evidence of major post-deformation faulting or mineralization was observed in the field, although it must be remembered that faults weather recessively and their traces rarely outcrop.

It is the author's opinion that the Boston Creek Komatiite, at 60 m thickness, is too thin to have produced significant exhalite sulfide mineralization or internal differentiation leading to PGE enrichment. It should not be made a priority target in future work.

Structurally, the Wawbewawa rocks are promising in that several large, undeformed quartz veins were found, although none of those examined had economic mineralization. A higher resolution magnetic survey combined with a detailed study of air photo lineaments is recommended in order to discover possible faults and related veining in the eastern part of the claim group. Future prospecting should concentrate on this area.

References.

SL Jackson and RM Harrap, 1989. Geology of Parts of Pacaud, Catherine, and Southermost Boston and McElroy Townships. In Summary of Field Work and Other Activities, OGS MP 146.

WE Stone, JH Crocket, ME Fleet, 1991. Platinum-group Element Mineralization in the Boston Creek Flow Fe-rich Basaltic Komatiite. In GAC/MAC/SEG 1991 Programme with Abstracts, Volume 16.

Statement of qualifications.

l, Mark Shore of 1-13 Champlain Avenue, Ottawa:

hold valid Ontario prospector's license no. K-21836;

have a B.Sc. in Geology-Physics, received from Concordia University in May 1987;

have worked since that time in the field of exploration geology and geophysics;

am currently a graduate student in the Department of Geology, University of Ottawa.

December 1, 1991

C.P. l P.O. 550 148. AVENUE PERREAULT VAL D'OR (QUEBEC) J9P 4P5 TEL.: (819) 824-4337 FAX: (819)824-4745

LABORATOIRE D'ANALYSE BOURLAMAQUE LTEE

BOURLAMAQUE ASSAY LABORATORIES LTD.

MARK SHORE CERTIFICAT D'ANALYSES CERTIFICATE OF ANALYSIS

~~~5FJ5B

ECHANTILLONS SAMPLES .......

Rock

RECU DE RECEIVED FROM

September 4 91VAL D'OR (QUEBEC) .19

26 Au , 6 Cu , 6 Zn, l Pt, l p,ANALYSES

Sample f Au oz/ton Cu Zn

SBE-123456789

10 LI121314 L5 i (j1718192021

2425 2 b

Trace Trace 0.009 Trace 0.007 0.010 Trace 0.004 Trace Trace Trace 0.003 Trace Trace Trace Trace Trace Trace Trace Trace Trace

X i I Mi Xil

Trace

0.0190.0150.0010.0090.0090.024

0.0160.0510.0020.0550.0190.031

S3H-26

Pd oz/ton

X. D.

Pt oz/ton

X . D.

or Au. ?t 4. Pd X.D. raeans less than 0.002 oz ton

ANALYSTS - ASSAYER ^

ACTLABSACTIVATION LABORATORIES LTD

Invoice No.:——— Work Order: Invoice Date: Date Submitted: Your Reference: Account Number:

——————3151 3103

24-SEP-91 3-SEP-91

NONE 200

UNIVERSITY OF OTTAWA FACULTY OF SCIENCE 161 LOUIS PASTEUR OTTAWA, ONTARIO KIN 6N5ATTN: MARK SHORE

CERTIFICATE OF ANALYSIS

INAA package, elements and detection limits:

OS PT

2.5.

PPB PPB

IR PD

0.1 2.

PPB PPB

RU AU

5. 0.5

PPB PPB

RH RE

l, 5.

PPB PPB

CERTIFIED BY

DR. ERIC K7HOFFMAN

1336 SANDHILL DRIVE ANCASTER ONTARIQ CANADA L9G4V5 * TEL 416-648-9611 - FAX: 416-648-9613

Activ

atio

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Sample descriptionOS

PPBIR

PPBRV

PPB

Labor a

to r ie

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PDPPB

fillPPB

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Report:

31

51

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Mass9

BCK-2 BCK-4 BCK-5 BCK-7

tf 1.1

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\500 4

2.4 10

12.0 65

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1.0 (5

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1.0 <5

<40 46 {2 <5

5400 7.1 4.1

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ACTLABSACTIVATION LABORATORIES LTD

OCT 30,1991 UNIVERSITY OF OTTAWA DEPARTMENT OF GEOLOGY 161 LOUIS PASTEUR OTTAWA, ONTARIO KIN 6N5

ATT:MARK SHORE

DEAR MR SHORE,WE HAVE CHECKED THE ORIGINAL NI-SULPHIDE FILTER WE

DETERMINED PGE'S ON WITH THE SAME RESULT. WE HAVE ALSO TAKEN ANOTHER SPLIT OF THE SAMPLE AND DETERMINED AU BY INAA WHICH GAVE US 26 PPB AU. THE ONLY THING I CAN CONCLUDE IS THAT THERE WAS A GOLD NUGGET IN THE FIRST ALIQUOT OF SAMPLE.

YOU CAN DEDUCT S 1 7. 1 2 FROM THE INVOICE TO REFLECT THE CRUSHING AND MILLING CHARGE WITH APPROPRIATE GST. I'M SORRY FOR THE INCORRECT BILLING.

SINCERELY,

ERIC L. HOFFMAN,PHD GENERAL MANAGER

1336 SANDHILL DRIVE ANCASTER ONTARIO. CANADA L9G4V5 * TEL 416-648-961 1 * FAX: 416-648-9613 it

fl.l

Prospecting Report Appendix

Claim L 1132220Silver Bar Extension Prospect

OPAP Grant OP91-152

During the August 1991 mapping of the Silver Bar Extension Prospect, a half day was spent prospecting the claim lines of L 1132220, as well as a railroad track and power line right of way which ran through the center of the claim.

The only rock type seen in outcrop, as well as a major proportion of the float observed, was a weakly foliated to massive medium-grained granodiorite, a marginal phase of the Round Lake Batholith.

No economic mineralization was noted in outcrop. A single foot-long block of unmineralized white quartz was seen as float.

Approximate outcrop location and size are marked on the accompanying map at a scale of 1:2500.

Mark Shore December 2, 1991

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LARDER LAKE MINING RECORDER'S OFFICE

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I Mf INhORMATION THAT APf'LAMS ON THIS MAP HAS BEEN COMPIir O FROM VARIOUS SOURCE'. AND ACCURACY IS NOT (jlJAHANTFED THOSF WISHING TO STAKE MIN INd CLAIMS SHOULD CON SUIT VA/iTH THE MINING RFCORDER MINISTRY OF NORTHERN DEVELOP MFNT AND MINES FOR AD DITIONAL INFORMATION ON THE STATUS OE THE LANDS SHOWN HFREON

TOWNSHIP

PACAUDMNR ADMINISTRATIVE DISlRICT

KIRKLAND LAKEMINING DIVISION

LARDER LAKELAND TITLES/ REGISTRY DIVISION

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Ministry ofNaturalResources

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TIMISKAMING MANAGEMENT UNITL y/ L -, TLM ' - !' l l *k l

THE MMR UNIT FORESTER FOR THIS AREA CAN BE CONTACTED AT: P.O. BOX I29

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THE INFORMATION THAT APPEARS ON THIS MAP HAS BEEN COMPILED FROM VARIOUS SOURCES, AND ACCURACY IS NOT GUARANTEED. THOSE WISHING TO STAKE MIN ING CLAIMS SHOULD CON SULT WITH THE MINING RECORDER, MINISTRY OF NORTHERN DEVELOP MENT AND MINES, FOR AD DITIONAL INFORMATION ON THE STATUS OF THE LANDS SHOWN HEREON

32D04SW0080 OP91-152 PACAUDl

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32D04SW0089 OP91-152 PACAUD