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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  18-Jan-2022 by Del Ferguson (DF)

Summary Help Help

NMI
Name CENTRAL MOLY, PAWNEE, FOREMOST, WINTER, CLEAR CREEK Mining Division Alberni
BCGS Map 092F023
Status Prospect NTS Map 092F04E
Latitude 049º 14' 15'' UTM 10 (NAD 83)
Longitude 125º 35' 07'' Northing 5457075
Easting 311816
Commodities Molybdenum, Copper, Magnetite, Silver Deposit Types K07 : Mo skarn
Tectonic Belt Insular Terrane Wrangell
Capsule Geology

The Central Moly occurrence is located 300 metres east of Tofino Creek, near its mouth, approximately 25 kilometres northeast of Tofino, B.C.

The Deer Bay area is underlain by the pre-Jurassic Westcoast Complex, an assemblage of greenstone, diorite, granite, granodiorite and basalt porphyry. Associated with the greenstone are lenses of white to grey limestone, striking northwest and dipping steeply northeast. The greenstone has been intruded by coarse-grained, dark diorite sills.

Skarn alteration occurs in varying amounts in greenstone and intrusive rocks. The skarn consists of garnet, epidote, pyroxene, amphibole and calcite.

Locally, molybdenite occurs in quartz-epidote-calcite veinlets in porphyritic andesite. Skarn-altered porphyritic andesite and intrusive rocks also contain sparsely disseminated molybdenite and occasional chalcopyrite.

A 1.5 to 3.0 metre wide quartz vein, traced over 15 metres, is located 100 metres to the west and contains pockets and disseminations of magnetite.

In 1980, Pawnee Oil Corp. completed 330.5 metres of drilling, over four sites, on the Pawnee Claim Group. Three holes (DH 4, 5 and 6) were completed on the showing which intercepted coarse-grained molybdenite disseminated throughout a garnet-pyroxene skarn for 5.4 metres above a contact with a quartz diorite dike (Assessment Report 8106).

During 1988 through 1991, Stage Exploration Ltd., later Stag Holdings, completed programs of geochemical sampling and ground geophysical surveys on the area as part of the Deer Bay property. Two samples (972 and 973) of massive sulphides from an ore dump and vein assayed 2.7 and 2.1 per cent copper with 18.5 and 15.6 grams per tonne silver, respectively (Assessment Report 17284).

Bibliography
EMPR AR *1963-111-116
EMPR ASS RPT *8106, *8138, 14807, 16220, *17284, 18751, 21777, 35133
EMPR BULL 55; 20 PART V
EMPR EXPL 1980-169; 1986-C171; 1987-C144
EMPR GEM 1969-217; 1972-265; 1973-230; 1974-174
EMR MP CORPFILE (Taiga Mines Limited; Clear Creek Exploration Company Limited)
GSC MAP 17-1968; 1386A
GSC OF 9, 61, 463
GSC P 66-1; 68-50, pp. 36, 38, 41; 72-44; 80-16
GSC SUM RPT 1920A
GCNL #235 (1979);# 49 (1988)
Carson, D.J.T., (1968): Metallogenic Study of Vancouver Island with Emphasis on the Relationship of Plutonic Rocks and Mineral Deposits, Ph.D. Thesis, Carleton University
Isachsen, C., (1984): Geology, Geochemistry and Geochronology of the West Coast Crystalline Complex and Related Rocks, Vancouver Island, British Columbia, M.Sc. Thesis, University of British Columbia

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