Mine detail: Copper Glance Mine

Previously called 'Craggy Peak'

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Location

Lat / long:

48.75205, -120.30341

Resource(M)

Primary:	Copper
Secondary:	Gold, Silver
Tertiary:	Iron
Ore:	Chalcocite, Chalcopyrite, Gold, Hematite, Pyrite, Tetrahedrite
Gangue:	Barite, Calcite, Quartz
Orebody form:	DISSEMINATED IN FRACTURE

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1914

Geology

Host rock:	Andesite Of Isabella Ridge
Host type:	Andesite
Associated type:	Mafic Intrusive Rock
Structure:	Eightmile Creek Fault Trends N30w. It Starts About 30 Mi To The South And Extends Into British Columbia, Where It Becomes Part Of The Frazer River Fault System. Near Mine Fault Dips Steeply West. Adjacent Rocks Are Commonly Sheared And Brecciated; On East Side Rocks Are Foliated Up To 3 Mi From Fault. Throw On Fault Is Unknown But Must Be Large Based On Opposing Rock Types.
Tectonic:	Cascade Volcanic Arc

References

MRDS	M060163
DEP	10042395
Reference	{Deposit:: HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 63.}{Deposit:: STAATZ M.H., AND OTHERS, 1971, MINERAL RESOURCES OF THE PASAYTEN WILDERNESS AREA, WASHINGTON: U.S. GEOLOGICAL SURVEY BULLETIN 1325, P. 22, 43, 44, 106, PL. 1-2.}{Deposit:: DERKEY, R.E., JOSEPH, N.L., AND LASMANIS, RAYMOND, 1990, METAL MINES OF WASHINGTON - PRELIMINARY REPORT: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-18, P. 188.}{Deposit:: DERKEY, R.E., GULICK, C.W., LINGLEY, W.S., JR., 1993, WASHINGTO * MINERAL INDUSTRY - 1992: WASHINGTON GEOLOGY, V. 21, NO. 1, P. 3-25.}
Reporter	Unknown