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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  25-Jan-1996 by Craig H.B. Leitch (CHBL)

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Name WELLINGTON, MASCOT, ECLIPSE Mining Division Fort Steele
BCGS Map 082F049
Status Prospect NTS Map 082F08E
Latitude 049º 25' 18'' UTM 11 (NAD 83)
Longitude 116º 13' 04'' Northing 5474626
Easting 556729
Commodities Gold, Silver, Lead, Zinc, Copper Deposit Types I05 : Polymetallic veins Ag-Pb-Zn+/-Au
I01 : Au-quartz veins
Tectonic Belt Omineca Terrane Ancestral North America
Capsule Geology

The Wellington (Mascot, Eclipse) showings are not reliably located beyond the fact that they are near the headwaters of Hellroaring Creek, at an elevation of about 1800 metres. This may explain why they do not appear to have received recent attention during the exploration in the adjacent Perry Creek drainage; they could not be relocated.

A single vein of great strike extent is hosted by the Creston Formation of the Middle Proterozoic Purcell Supergroup, comprising argillaceous quartzites in this location, metamorphosed to greenschist facies. A porphyritic granite crops out about 60 metres below the vein, and is characterized as a stock. Recent mention of this stock (Assessment Report 16656) suggests it may be Cretaceous in age, and possibly related to the mineralization.

The vein is sharply defined, apparently following a strong fault- fissure zone conforming more or less with the schistosity of the enclosing quartzites rather than with their bedding; however, the two sources (Minister of Mines Annual Reports for 1915 and 1932) differ in the strike by 30 degrees, one suggesting the strike is due north and the other that it is 030 degrees, dipping 65 to 80 degrees east. The vein is mainly quartz with galena, pyrite, sphalerite and minor chalcopyrite; no alteration envelope is described. Values in gold and silver are apparently confined to a pay streak which favours the hangingwall side of the vein. The vein may be traced over a length of 600 metres, with assays over widths up to 1.0 metre of up to 14.4 grams per tonne gold, 140 grams per tonne silver, 15 per cent lead, and 0.8 per cent copper (Minister of Mines Annual Report 1932, page 162).

EM GEOS MAP 1998-3
EMPR AR 1915-113; *1932-162; 1934-E29
GSC MEM 76 (Map 147A)
GSC OF 820; 929; 2721
GSC SUM RPT 1932 Part A