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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  31-Mar-1993 by Discovery Consultants (DISC)

Summary Help Help

NMI
Name KEYSTONE-1, KEYSTONE Mining Division Vernon
BCGS Map 082L034
Status Showing NTS Map 082L06W
Latitude 050º 18' 33'' UTM 11 (NAD 83)
Longitude 119º 18' 00'' Northing 5575536
Easting 336233
Commodities Copper Deposit Types I05 : Polymetallic veins Ag-Pb-Zn+/-Au
Tectonic Belt Intermontane Terrane Quesnel
Capsule Geology

The Keystone-1 showing is located 5 kilometres north-northwest of Vernon, between Swan and Okanagan lakes.

In this area, west of the Okanagan Valley fault zone, volcanic and sedimentary rocks of the Devonian to Triassic Harper Ranch Group are unconformably overlain by Upper Triassic to Lower Jurassic Nicola Group sedimentary and volcanic rocks. These units are intruded by Middle Jurassic granitic rocks. Patches of Eocene Penticton Group volcanic rocks overlie the older rocks.

A quartz vein within tuffaceous volcanic rocks of the Nicola hosts copper mineralization. A malachite-stained vertical quartz vein, striking 095 degrees, carries minor chalcopyrite.

By 1931, an open cut had exposed the vein.

Bibliography
EMPR FIELDWORK 1987, pp. 55-58; 1988, pp. 355-363
EMPR MAP 7216G, 8513G
EMPR OF 1989-5, 1990-30
EMPR PF (In 082LSW General - Claim Map, 1966)
EMPR RGS 1976
GSC MAP 46-7, 48-4A, 1059A, 1712A
GSC MEM 296, p. 146
GSC OF 637 (Map C), 736, 2167
GSC P 89-1E pp. 51-60
GSC SUM RPT 1931A, p. 77, 83

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