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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  11-Mar-1992 by Peter S. Fischl (PSF)

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Name MARCOTTE, GRASSHOPPER Mining Division Similkameen
BCGS Map 092H056
Status Showing NTS Map 092H10W
Latitude 049º 32' 46'' UTM 10 (NAD 83)
Longitude 120º 53' 00'' Northing 5490320
Easting 653113
Commodities Copper Deposit Types L01 : Subvolcanic Cu-Ag-Au (As-Sb)
Tectonic Belt Intermontane Terrane Quesnel
Capsule Geology

The Marcotte showing is situated 1.1 kilometres east-northeast of summit of Grasshopper Mountain, 1 kilometre northwest of the Tulameen River and 8 kilometres due west of the town of Tulameen.

A steeply-dipping quartz vein strikes 160 degrees for 38 metres, in hornblende schist of the Upper Triassic Nicola Group. The showing lies 30 to 70 metres east of hornblende clinopyroxenite and peridotite of the Early Jurassic Tulameen Ultramafic Complex. The vein is up to 2.1 metres wide and averages about 1 metre in width. Mineralization is sparse and consists of chalcopyrite, pyrite and hematite.

Some 90 metres to the west, a 1.5-metre wide vein of barren-looking quartz is exposed, striking 140 degrees. The vein is hosted in calcareous schist a short distance east of the clinopyroxenite.

EMPR AR 1937-D29
EMPR ASS RPT *7944, 10063, 14448, 15723, 19825, 27009
EMPR FIELDWORK 1987, pp. 281-294
EMPR OF 1988-25
EMPR P 1992-6
EMPR PF (*Hedley, M.S. (1937): Special Report on Grasshopper Mountain, page 5 (see 092HNE015))
GSC MAP 46A; 888A; 889A; 1386A; 41-1989
GSC MEM 26; 243, p. 100
GSC P 85-1A, pp. 349-358
CJES Vol. 6, pp. 399-425 (1969); Vol. 24, pp. 2521-2536 (1987)
Findlay, D.C. (1963): Petrology of the Tulameen Ultramafic Complex, Yale District, British Columbia, unpublished Ph.D. thesis, Queen's University, 415 pages.
EMPR PFD 8525, 520617, 520623