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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  19-Jun-2012 by George Owsiacki (GO)

Summary Help Help

NMI
Name BISHOP Mining Division Alaska, USA
BCGS Map 103O100
Status Prospect NTS Map 103O16E
Latitude 055º 59' 29'' UTM 09 (NAD 83)
Longitude 130º 03' 13'' Northing 6205622
Easting 434275
Commodities Copper Deposit Types I05 : Polymetallic veins Ag-Pb-Zn+/-Au
Tectonic Belt Coast Crystalline Terrane Plutonic Rocks, Stikine
Capsule Geology

The Bishop occurrence is located 7.5 kilometres north-northwest of Stewart, west of Skookum Creek on the east facing slope 1 kilometre north of the summit of Mountain View.

The area is underlain by the Early Jurassic Texas Creek Plutonic Suite consisting of granodiorite. At the Bishop showing, a strong quartz vein striking 315 degrees and dipping 50 degrees northeast has been traced for 182 metres by opencuts and surface exposures. It is exposed over a vertical distance of 30 metres. On average, vein widths vary between 38 to 68 centimetres but is 2.1 metres wide on the slope to Skookum Creek. Mineralization is sparse and consists of pyrrhotite and pyrite with minor chalcopyrite.

Bibliography
EMPR BULL 58; 63
EMPR FIELDWORK 1983, pp. 149-165; 1984, pp. 316-342; 1985, pp. 217-219; 1990, pp. 235-243; 2005, pp. 1-4
EMPR MAP 8
EMPR OF 1986-2; 1987-22; 1994-14
GSC MAP 1385A
GSC MEM 175
GSC OF 864; 2996
USGS BULL *807, p. 67

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