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File Created: 06-Feb-1987 by Mary McLean (MM)
Last Edit:  15-Feb-2018 by Karl A. Flower (KAF)

Summary Help Help

NMI
Name SILVERSIDE Mining Division Lillooet
BCGS Map 092J078
Status Showing NTS Map 092J15E
Latitude 050º 47' 28'' UTM 10 (NAD 83)
Longitude 122º 34' 01'' Northing 5626685
Easting 530524
Commodities Gold, Silver, Copper, Zinc, Lead Deposit Types I05 : Polymetallic veins Ag-Pb-Zn+/-Au
Tectonic Belt Intermontane Terrane Bridge River
Capsule Geology

The Silverside occurrence is located west of Tommy Creek, approximately 6.5 kilometres south-south west of the creek mouth on Carpenter Lake.

The area is underlain by Mississippian to Jurassic Bridge River Complex (Group) sediments consisting of cherty and slatey argillites, thinly bedded cherts, biotite-bearing metasediments, sandstone and minor recrystallized limestone. The strata strike north-northwest with near vertical dips. Volcanics are intercalated with the sediments and dikes cutting the sediments also occur.

The main quartz vein averages less than 1 metre in width and is exposed for 250 metres, dipping 65 degrees west. The quartz is white or glassy with limonitic staining. The main vein has 3 to 4 per cent pyrite and arsenopyrite, 2 to 3 per cent galena and possibly stibnite. Smaller lenticular quartz-calcite-siderite veins also occur but are un-mineralized. Wallrock alteration, limited in extent and poorly developed, consists of calcite and epidote in the volcanic rocks. In 1985, a grab sample (C1242) assayed 72 grams per tonne silver, 0.23 per cent lead and 0.3 gram per tonne gold (Assessment Report 14670).

A second, narrower, lens-shaped vein, with a maximum width of approximately 0.25 metre, hosts massive sulphide mineralization consisting of pyrite and chalcopyrite with lesser sphalerite and trace bornite. In 1985, a 0.25- metre chip sample (C3828) assayed 9.62 per cent copper, 1.77 per cent zinc and 48 grams per tonne silver, while a rock sample (C3829) yielded 1.03 grams per tonne gold (Assessment Report 14670).

During 1985 through 1988, Levon Resources Ltd. completed ground and airborne geophysical surveys, geochemical sampling and geological mapping on the area as the Silverside claim. In 1995, a program of rock and soil sampling was completed.

Bibliography
EMPR ASS RPT *14670, 18280, 23625
EMPR FIELDWORK 1974, p. 35; 1985, pp. 303-310; 1986, pp. 23-29; 1987,
pp. 93-130; 1988, pp. 105-152; 1989, pp. 45-72; 1990, pp. 75-83
EMPR OF 1987-11; 1988-3; 1989-4; 1990-10
EMPR PF (Geology map, 1985)
GSC OF 482
CJES 1987, Vol. 24, pp. 2279-2291

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