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File Created: 17-Dec-1991 by Peter S. Fischl (PSF)
Last Edit:  29-May-1992 by Peter S. Fischl (PSF)

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Name RAY 12, ADIT SHOWINGS Mining Division Similkameen
BCGS Map 092H038
Status Showing NTS Map 092H07E
Latitude 049º 21' 55'' UTM 10 (NAD 83)
Longitude 120º 33' 06'' Northing 5470946
Easting 677756
Commodities Copper Deposit Types L03 : Alkalic porphyry Cu-Au
Tectonic Belt Intermontane Terrane Plutonic Rocks, Quesnel
Capsule Geology

The Ray 12 showing is on the west bank of the Similkameen River, 10.5 kilometres south-southwest of Princeton.

This area along the Similkameen River, in the vicinity of Smelter Lakes, is underlain by intrusive rocks of the Lost Horse Intrusions and the Smelter Lake stock (Copper Mountain Intrusions), both of Early Jurassic age, and volcanics of the Upper Triassic Nicola Group. The Nicola Group volcanics were previously included with the Wolf Creek Formation (Geological Survey of Canada Memoir 171). All units are unconformably overlain to the east by volcanics and sediments of the Eocene Princeton Group.

Two small streaks of chalcopyrite and pyrite occur in diorite of the Smelter Lake stock, near a northeast-striking microsyenite dyke of the Lost Horse Intrusions. Two short adits follow the sulphide streaks.

Similar mineralization occurs on the west bank of the river 370 metres to the south. Here, two streaks of chalcopyrite and magnetite, 15 and 25 centimetres wide, are hosted in diorite. This mineralization is developed along fractures striking north-northeast for up to 1.5 metres.

EMPR ASS RPT 940, *941
GSC BULL 239, pp. 140,141
GSC MAP 888A; 1386A; 41-1989
GSC P 85-1A, pp. 349-358
CIM BULL Vol. 44, No. 469, pp. 317-324 (1951); Vol. 61, No. 673, pp. 633-636 (1968)
CJES Vol. 24, pp. 2521-2536 (1987)
Montgomery, J.H. (1967): Petrology, Structure and Origin of the Copper Mountain Intrusions near Princeton, British Columbia; unpublished Ph.D. thesis, University of British Columbia