Mine detail: Big Ledge Nickel-Copper Prospect

Previously called ''

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Location

Lat / long:

57.80279, -134.9945

Resource(M)

Primary:	Nickel, Copper
Tertiary:	Zinc
Ore:	Chalcopyrite, Pentlandite, Pyrrhotite, Sphalerite
Gangue:	Calcite, Pyrite, Quartz
Discovery year:	1923

Production

Operation type:	Unknown
Production size:	None
Development status:	Occurrence

Geology

Host type:	Diabase
Associated type:	Conglomerate
Tectonic:	Craig Subterrane, Alexander Terrane

References

MRDS	A013295
DEP	10002377
Reference	{Deposit:: USGS B 773, P. 107-108 (1925)}{Deposit:: USGS MF-467, LOC. 48 (1972)}{Deposit:: USGS OF 78-450, P. 17 (1978)}{Other Database:: BAG-MF-467-48}
Reporter	Leonard, Kenneth R. (Huber, Donald F.), Waller, Nichelle (Mosier, Dan)