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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  20-Feb-1989 by David G. Bailey (DGB)

Summary Help Help

NMI
Name QUARTZ Mining Division Cariboo
BCGS Map 093G038
Status Showing NTS Map 093G08W
Latitude 053º 21' 48'' UTM 10 (NAD 83)
Longitude 122º 26' 22'' Northing 5912836
Easting 537302
Commodities Silica Deposit Types I07 : Silica veins
Tectonic Belt Intermontane Terrane Quesnel
Capsule Geology

The Quartz showing occurs in an area underlain by argillite and greywacke with intercalated mafic volcanic rocks correlative with the Upper Triassic Takla Group of the Quesnellia Terrane. Late Tertiary sedimentary and basaltic rocks overlie the Mesozoic strata. Surface exposures indicate that the quartz vein is at least 205 metres long and up to 21 metres wide. The vein strikes at about 140 degrees and at the approximate midpoint of its probable surface extent, bifurcates to the northwest. The quartz is opaque, white, massive, and very pure in appearance. Near the vein margins, trace limonite and manganese stain are present on fractures. Two chip samples collected by the Geological Survey Branch in 1981 returned 95.51 and 96.24 per cent silica (Fieldwork 1981 p. 10). A chip sample in 1987 across 2 metres assayed 95.57 per cent silica (Energy, Mines and Petroleum Resources Open File 1987-15 p.30). Surface exposures indicate that the quartz vein is at least 205 metres long and up to 21 metres wide. The vein strikes at about 140 degrees and, at the approximate midpoint of its probable surface extent, bifurcates to the northwest. The quartz is opaque, white, massive and very pure in appearance. Near the vein margins trace limonite and manganese stain are present on fractures. Two chip samples collected by the Geological Survey Branch in 1981 returned 95.51 and 96.24 per cent silica (Fieldwork 1981, page 10). A chip sample in 1987 across 2 metres assayed 95.57 per cent silica (Open File 1987-15, page 30).

Bibliography
EMPR ASS RPT 5141
EMPR GEM 1974-400
EMPR FIELDWORK 1981, p. 10
EMPR OF *1987-15, pp. 29-30
EMPR PF (See 93G General File - 8W Area and Quesnel Area)
GSC MAP 1424A
EMPR PFD 901524

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