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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  24-Mar-1992 by Dave Nelles (DMN)

Summary Help Help

NMI
Name SPUZ A NORTH Mining Division New Westminster
BCGS Map 092H064
Status Showing NTS Map 092H11W
Latitude 049º 37' 42'' UTM 10 (NAD 83)
Longitude 121º 22' 03'' Northing 5498588
Easting 617893
Commodities Gold, Copper Deposit Types I01 : Au-quartz veins
Tectonic Belt Coast Crystalline Terrane Methow
Capsule Geology

At the Spuz A North occurrence, four northwest striking shear zones cutting altered Lower and Middle Jurassic Ladner Group argillite have been exposed in a trench. Fault gouge and pods of quartz characterize these two to five-metre wide zones, which mainly parallel foliation in the argillite. The more lithic layers also host anastomosing quartz veinlets, suggesting selective replacement.

Finely disseminated pyrite and minor chalcopyrite are associated with zones of silicification and occur throughout the host rock. Gold is reported to have been panned from samples from the silicified zones.

Bibliography
EMPR ASS RPT 6046, *6962, 7578, 7675, 8394, 10141
EMPR BULL 20, Pt. IV, pp. 20-23; *79, p. 69
EMPR EXPL 1976-E86; 1977-E133; 1978-E150; 1979-154; 1980-206
GSC MAP 737A; 12-1969; 41-1989
GSC P 69-47

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