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File Created: 16-Jul-1991 by Garry J. Payie (GJP)
Last Edit:  12-Mar-2018 by Karl A. Flower (KAF)

Summary Help Help

NMI
Name PROSPECTOR PEAKS, X-CAL, ICE Mining Division Lillooet
BCGS Map 092J068
Status Showing NTS Map 092J10E
Latitude 050º 38' 26'' UTM 10 (NAD 83)
Longitude 122º 34' 30'' Northing 5609941
Easting 530052
Commodities Silver, Lead, Zinc, Gold, Copper Deposit Types I05 : Polymetallic veins Ag-Pb-Zn+/-Au
Tectonic Belt Coast Crystalline Terrane Bridge River
Capsule Geology

The Prospector Peaks showing is located 1 kilometre northeast of Prospector Peaks and approximately 800 metres west of McGillivray Creek.

In the region of the Prospector Peaks showing, the Cadwallader and Ferguson faults transect sedimentary and volcanic rocks of the Mississippian to Jurassic Bridge River Complex and the Upper Triassic Cadwallader Group. Linear, altered serpentinite zones called the President Ultramafics, correlative with the Permian and older Shulaps Ultramafic Complex, mark faults that have controlled the emplacement of diorite of the Permian Bralorne Igneous Complex. The above sequence lies between bodies of the Jurassic to Cretaceous Coast Plutonic Complex and outlying bodies of Cretaceous to Tertiary Bendor pluton granodiorite.

The Prospector Peaks showing consists of an area of quartz veining within silicified argillite of the Upper Triassic Hurley Formation, Cadwallader Group. The veins are white, massive bull quartz that trend 160 degrees with steep dips. Another vein set strikes 120 degrees and dips 30 degrees to the south. The veins are generally 0.5 to 1.5 metres wide but one 6-metre wide section was observed. Minor galena was noted. Further north, narrower quartz veins carry minor pyrite, galena and sphalerite. These veins trend northeast and northwest and appear to be fracture controlled.

In 1989, a sample of galena-rich section of a vein, taken from a vein located approximately 900 metres to the south- south east, assayed 61.9 grams per tonne silver and 0.6 per cent lead with maximum gold values of 0.045 gram per tonne (Assessment Report 19604, page 22).

In 1980, an area of pyrite-pyrrhotite bearing gneiss was identified approximately 1.5 kilometres to the north west. A sample (no. 2941B) assayed 0.107 per cent copper (Assessment Report 9258). Another anomalous area was also identified at this time, approximately 3 kilometres to the west, where a weakly altered intrusive hosts minor gold values. A sample (no. 2860B) assayed 0.12 gram per tonne gold and 4.3 grams per tonne silver (Assessment Report 9258).

The area was originally explored by pits and trenches in the early 1930’s. In 1980, Du Pont completed a program of rock, silt and soil sampling on the area immediately west as the Ice claim. In 1983, X-Cal Resources completed a program of rock and silt sampling and geological mapping on the area as the Mac and X-Cal claims. In 1985, Hudson Bay Exploration and Development completed a program of geochemical sampling, geological mapping and a ground electromagnetic survey. In 1989 and 1990, Teck completed programs of rock, silt and soil sampling, geological mapping and a ground electromagnetic survey on the area. In 1991, Cogema completed a program of geochemical sampling and geological mapping on the area.

Bibliography
EMPR ASS RPT *9258, 11749, 11876, 14382, *19604, 22120
EMPR FIELDWORK 1987, pp. 93-130; 1988, pp. 105-152; 1989, pp. 45-72
EMPR OF 1988-3; 1989-4; 1990-10
GSC OF 482

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