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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  10-Dec-1991 by Peter S. Fischl (PSF)

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Name HUMBOLDT (L.121), HUMBOLT, COPPER FARM Mining Division Similkameen
BCGS Map 092H038
Status Showing NTS Map 092H07E
Latitude 049º 18' 57'' UTM 10 (NAD 83)
Longitude 120º 31' 01'' Northing 5465533
Easting 680457
Commodities Copper Deposit Types L03 : Alkalic porphyry Cu-Au
Tectonic Belt Intermontane Terrane Plutonic Rocks, Quesnel
Capsule Geology

The Humboldt showing is 1.5 kilometres east of the Similkameen River and 15.5 kilometres south of Princeton.

The area is underlain by the eastern facies of the Upper Triassic Nicola Group, comprising mafic augite and hornblende porphyritic pyroclastics and flows. These rocks are intruded by diorite and monzonite, locally pyroxenite and gabbro, of the Early Jurassic Copper Mountain and Lost Horse intrusions.

This showing is hosted in diorite of the Copper Mountain stock (Copper Mountain Intrusions), about 360 metres southwest of the stock's contact with Nicola Group volcanics.

A shaft exposes a quartz-calcite vein 0.9 to 1.0 metres wide, striking 070 degrees. The vein is mineralized with pyrite and copper sulphides. The diorite is reported to contain chalcopyrite and bornite in the vicinity.

This showing was explored by a shaft, 11 metres deep, and several trenches between 1898 and 1901. Some diamond drilling occurred between 1902 and 1934.

EMPR AR 1898-1113; 1899-741; 1900-903; *1901-1170; 1903-247; 1914-514
GSC BULL 239, pp. 140,141
GSC MAP 300A; 888A; 1386A; 41-1989
GSC MEM *171, p. 45; 243
GSC P 85-1A, pp. 349-358
GSC RPT 986 (1908)
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J.H. (1967): Petrology, Structure and Origin of the Copper Mountain Intrusions near Princeton, British Columbia; unpublished Ph.D. thesis, University of British Columbia