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File Created: 21-Feb-91 by Peter S. Fischl(PSF)
Last Edit:  01-Mar-91 by Peter S. Fischl(PSF)

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Name A-35-E, PROPHET RIVER SULPHUR Mining Division Liard
BCGS Map 094I038
Status Showing NTS Map 094I08W
Latitude 58º 21' 38" N UTM 10 (NAD 83)
Longitude 120º 25' 40" W Northing 6471730
Easting 650488
Commodities Sulphur Deposit Types F03 : Gypsum-hosted sulphur
F02 : Bedded gypsum
Tectonic Belt Foreland Terrane Ancestral North America
Capsule Geology

Native sulphur was intersected in well a-35-E 94I/8, an exploratory hole drilled for hydrocarbons, located 130 kilometres east-southeast of Fort Nelson.

This well was drilled through a succession of evaporites, reefal carbonates and thin beds of clastic rocks of the Middle Devonian Elk Point Group. Two sulphur-bearing sections were intersected in the upper member of the Upper Keg River Formation. An interval at 2138.2 to 2141.5 metres depth contained a 1-metre section grading 30 per cent sulphur followed by a 9-metre interval of dolomite and anhydrite interbeds with a heavy sulphurous odour and possible native sulpur. A second interval at 2167.1 to 2173.2 metres depth comprised dolomite and possible thin sulphur-bearing beds. The native sulphur is yellow, coarsely crystalline to amorphous and burns out of the samples as sulphur dioxide.

EMPR FIELDWORK *1988, pp. 529-531
EMPR PF (Hora, Z.D. (1992): Frasch Sulphur Opportunities in British  Columbia and Alberta, in supplement to Mining Engineering, 121st  Annual Meeting & Exhibit, 1992 (draft version) - see 094G 023)
GSC P 75-11