Mine detail: Belle Isle

Previously called 'Commando'

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Location

Lat / long:

41.31768, -116.23149

Resource(M)

Primary:	Silver
Secondary:	Gold
Tertiary:	Zinc, Lead, Copper
Ore:	Argentite, Bornite, Chalcopyrite, Enargite, Galena, Proustite, Pyrargyrite, Pyrite, Silver, Sphalerite, Stephanite
Gangue:	Calcite, Quartz
Orebody form:	TABULAR
Discovery year:	1890

Production

Operation type:	Unknown
Production size:	Medium
Development status:	Past Producer
First production started:	1890

Geology

Host type:	Andesite
Structure:	Nw-Striking Faults Conjugate To A Set Of E-Striking Faults
Alteration processes:	Inner Late-Stage Adularization And Early Propylitization

References

MRDS	M233385
DEP	10045609
Reference	{Deposit:: SMITH, R.M., (1976) USGS OFR 1976-56}{Deposit:: NOLAN, T.B., (1936), NBMG BULL. 25.}{Production:: NOLAN, T.B., (1936), SMITH, R.M., (1976) P. 162}
Reporter	Kirkham, Richard A.