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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  21-Jul-2020 by Karl A. Flower (KAF)

Summary Help Help

NMI
Name SHELL NO.1, GUSTERSHAW Mining Division Greenwood, Osoyoos
BCGS Map 082E004
Status Showing NTS Map 082E03W
Latitude 049º 01' 18'' UTM 11 (NAD 83)
Longitude 119º 21' 10'' Northing 5432531
Easting 327993
Commodities Copper, Zinc, Lead Deposit Types I01 : Au-quartz veins
I05 : Polymetallic veins Ag-Pb-Zn+/-Au
Tectonic Belt Omineca Terrane Quesnel
Capsule Geology

The Shell No.1 occurrence is located at 1188 metres elevation on the southwestern slopes of Anarchist Mountain, 8 kilometres due east of Osoyoos, British Columbia.

The showing is underlain by metaquartzite, chlorite schist, quartz-biotite schist, black phyllite and greenstone of the Carboniferous to Permian Anarchist Group. These metasediments have been highly metamorphosed. Chlorite and sericite alteration are prevalent. Foliated hornblende granodiorite, granite, quartz monzonite and syenite of the Middle Jurassic Nelson intrusions have intruded these Anarchist rocks to the immediate southwest. The main foliation strikes 140 degrees and dips 70 degrees east. Some tight folds were observed.

An opencut has exposed a shear zone striking 330 degrees and dipping 60 degrees to the northeast. The shear zone is hosted in quartz-biotite-chlorite schist which in turn is intruded by a rhyolite dike. Mineralization in this shear zone consists of disseminated pyrite, sphalerite and chalcopyrite over at least 61 metres width. Greenstone is exposed immediately to the east and carry magnetite veinlets following the main foliation. The shear zone appears to terminate to the southwest against the Nelson intrusions.

Rock grab samples taken from this shear zone in 1971 yielded 0.05 per cent zinc, 0.06 to 0.08 per cent copper, trace to 0.2 per cent lead, 0.01 to 0.02 per cent nickel and trace silver and gold (Assessment Report 2926).

Work History

The Shell No.1 showing was first discovered at the turn of the century. Property exploration in 1971 by Fourbar Mines Ltd. discovered three old trenches and a caved adit. The property has recently been reinvestigated by Crownex Resources (Canada) Ltd. who own the Ket 18 Group of claims to the immediate east.

During 2008 through 2012, Grizzly Discoveries Inc. completed programs of geochemical (rock, stream sediment and soil) sampling, geological mapping and airborne and ground geophysical surveys on the Dayton-Sidley area of the Greenwood Property.

Bibliography
EMPR ASS RPT *2926, *9518, 11815, 12020, 19737, 20734, *22199
EMPR GEM 1971-383
EMPR OF 1989-5
GSC MAP 84A; 538A; 539A; 37-21; 15-1961; 1738A
GSC MEM 38, pp. 389-423
GSC OF 481; 637; 1505A; 1565; 1969
Dufresne, M. (2013-11-10): Technical Report for the Greenwood Gold Project
Dufresne, M. (2013-11-25): Technical Report for the Greenwood Gold Project

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