Mine detail: Similco Mine

Previously called 'Sunset ClaimCopper Mountain'

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Location

Lat / long:

49.32955, -120.46399

Resource(M)

Primary:	Copper, Gold, Silver, Platinum
Ore:	Bornite, Chalcocite, Chalcopyrite, Sperrylite
Gangue:	Biotite, Fluorite, Magnetite, Scapolite
Discovery year:	1884

Production

Operation type:	Unknown
Production size:	Large
Development status:	Producer
Production years:	1900-1923 (SPORADIC); 1925-1930; 1937-1957; 1989-PRESENT (5/92)
First production started:	1900

Geology

Host rock:	Nicola Group;Nicola Group;Nicola Group;Nicola Group;Nicola Group
Host type:	Basalt
Associated rock:	Copper Mountain Stock;Lost Horse Complex;Copper Mountain Stock;Copper Mountain Stock;Copper Mountain Stock;Lost Horse Complex
Associated type:	Diorite
Structure:	North-Trending High Angle Faults Form An Ancient Long-Lived Rift System, The Nicola Basin, That Extends From The U.S. Border To At Least 160 Km North., Copper Mountain Is Dominated By Strong Easterly And Northwesterly Faulting. Folding Is Minor And Units Are Mostly Flat Lying Or Very Gently Dipping.
Tectonic:	Back Arc Basin
Alteration processes:	Potassic Alteration, Propylitic Alteration. See Geology Comments.

References

MRDS	M046163
DEP	10038736
Reference	{Deposit:: FAHRNI, K.C., ET AL, 1976, COPPER MOUNTAIN AND INGERBELLE, IN BROWN, A., ED., PORPHYRY DEPOSITS OF THE CANADIAN CORDILLERA, CANADIAN INSTITUTE OF MINING AND METALLURGY, SPECIAL VOLUME 15, P. 368-375.}{Deposit:: GEORGE CROSS NEWSLETTER, 8/1/90.}{Deposit:: BRITISH COLUMBIA DEPARTMENT OF MINES AND PETROLEUM RESOURCES BULLETIN 59.}{Deposit:: *EILL AND GUNNING, 1934, PLATINUM DEPOSITS IN CANADA: CANADA GEOLOGICAL SURVEY ECON. GEOL. REPT. 13, P. 103.}
Reporter	Phinisey, J. D. (Marcus, S.), Blair, Will N.