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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  15-Jan-1996 by Jay W. Page (JWP)

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Name ARNIE, X, WENDY, COL, JOHN Mining Division Osoyoos
BCGS Map 082E061
Status Showing NTS Map 082E12W
Latitude 049º 39' 00'' UTM 11 (NAD 83)
Longitude 119º 57' 52'' Northing 5503938
Easting 286024
Commodities Copper, Molybdenum Deposit Types L04 : Porphyry Cu +/- Mo +/- Au
Tectonic Belt Intermontane Terrane Plutonic Rocks
Capsule Geology

The Arnie showing is located on the south side of the Trout Creek valley, approximately 21 kilometres west-northwest of Summerland.

The showing consists of disseminated pyrite and chalcopyrite in granodiorite of the Middle Jurassic Osprey Lake Intrusions. Traces of molybdenite are also reported.

In 1966, Lodestar Mines Ltd. carried out a program of soil sampling and trenching (7 trenches/275 metres), followed by additional soil sampling in 1967. In 1975, Canadian Occidental Petroleum Ltd. optioned the Arnie property. They embarked on a program of property work which included line-cutting, a 24 line-kilometre induced polarization survey, and diamond drilling (3 holes, 300 metres) on geochemical and geophysical anomalies. Work continued in 1975 with geological mapping; rock, soil and stream geochemical surveys; road construction; and diamond drilling (3 holes, 275 metres).

Sulphide mineralization is restricted to an early mafic (biotite-rich) phase of the granodiorite and the diorite, which is intruded by the granodiorite, is barren. The mineralization usually occurs as anhedral disseminations, but a concentration of chalcopyrite was found associated with a leucocratic quartz-rich xenolith in one drillhole. Aplite dikes and orthoclase-epidote filled fractures are common.

The best drill intersection was in hole 75-2 and consisted of 0.72 per cent copper between 7.6 to 9.1 metres, and 0.54 per cent copper between 48.7 to 50.2 metres depth (Assessment Report 5811). The surface area of the granodiorite intrusion was thought to be approximately 360 metres by 360 metres. Canadian Occidental concluded that the mineralization was sub-economic and no further work was carried out.

EMPR AR 1966-187; 1967-277
EMPR ASS RPT 984, 1567, 5571, 5572, 5686, *5811
EMPR GEM 1974-61; 1975-E27
EMPR OF 1994-8
GSC MAP 538A; 15-1961; 1701A; 1712A; 1713A; 1714A; 1736A; 7686G; 8521G
GSC OF 409; 736; 1969