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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)

Summary Help Help

NMI
Name YELLOW METAL, HAWK Mining Division Fort Steele
BCGS Map 082F050
Status Prospect NTS Map 082F08E
Latitude 049º 26' 18'' UTM 11 (NAD 83)
Longitude 116º 09' 58'' Northing 5476519
Easting 560455
Commodities Gold, Copper, Silver Deposit Types I01 : Au-quartz veins
Tectonic Belt Omineca Terrane Ancestral North America
Capsule Geology

The Yellow Metal is a series of old showings located on the divide between the heads of Perry Creek and Hellroaring Creek; it was extensively prospected in the 1915-1921 period. More recently, the showings were explored by Unique Resources as the Hawk property.

The area is underlain by thinly bedded quartzites of the Creston Formation belonging to the Purcell Supergroup of Middle Proterozoic age. These metasedimentary rocks (biotite facies of regional greenschist metamorphism) have a strike from 020 to 025 degrees and dip steeply west. On top of the ridge at an elevation of about 2100 metres, a zone of crushing is shot through with narrow stringers of quartz that yield colours of gold on crushing. This band of quartzites has a width of about 100 metres. A short distance down the Hellroaring Creek slope, a quartz vein 0.5 metre wide parallel to the strike of the quartzites is defined by 7.5 centimetres of gouge on the hangingwall. The vein assayed 6.5 grams per tonne gold and 7 grams per tonne silver, and the gouge assayed 11 grams per tonne gold and 10 grams per tonne silver (Minister of Mines Annual Report 1926, page 127). On the Perry Creek slope, quartz veins up to 1.3 metres strike northwest across bedding, or parallel to bedding and contain minor limonite after pyrite with low gold values up to 1.7 grams per tonne (Minister of Mines Annual Report 1921, page 127).

There are also occurrences of minor disseminated pyrite and chalcopyrite in talcose seams and associated quartz stringers, in a zone crosscutting the regional strike. Assays of this material yield up to 1.7 grams per tonne gold over 1 metre; a one tonne sample of the best material assayed 14 grams per tonne gold and a trace of copper (Minister of Mines Annual Report 1915, page 109). A glassy quartz vein up to 12 metres wide, on the Perry Creek slope, yielded only trace gold values. Some 300 metres to the east, another quartz vein, striking 350 degrees and dipping 80 degrees west, occurs along the bedding of the quartzites which are sericitic on the bedding planes. Assays in this vein are up to 24 grams per tonne gold for picked samples, or 1.7 grams per tonne over 0.5 metre width (Minister of Mines Annual Report 1915, page 109).

Bibliography
EM GEOS MAP 1998-3
EMPR AR *1915-109; 1918-151; *1921-127
EMPR ASS RPT 14718, 15387
EMPR PF (Prospectus-Unique Resources Ltd., March 25, 1988 including report by Alex Burton, June 1987)
GSC MAP 603A
GSC MEM 228
GSC OF 820; 929; 2721

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