Mine detail: Alaska Treasure Mine

Previously called 'Nevada Creek'

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Location

Lat / long:

58.22169, -134.32729

Resource(M)

Primary:	Gold, Silver
Tertiary:	Zinc, Copper, Lead
Ore:	Chalcopyrite, Galena, Sphalerite
Gangue:	Calcite, Pyrrhotite, Quartz, Sericite, Tetrahedrite

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer

Geology

Host rock:	Douglas Island Volcanics;Douglas Island Volcanics
Host type:	Phyllite
Associated rock:	Douglas Island Volcanics;Douglas Island Volcanics;Douglas Island Volcanics
Associated type:	Greenstone
Tectonic:	Gravina Belt; Berg, Et. Al., 1978, Usgs Ofr 78-1085
Alteration processes:	Sericitization, Silicification, Pyritization

References

MRDS	A012026
DEP	10100966
Reference	{Deposit:: USGS BULL 225, P. 40-41}{Deposit:: USGS BULL 284, P. 39-40}{Deposit:: USGS BULL 314, P. 53-54}{Deposit:: USGS BULL 622, P. 96-98}{Deposit:: USGS OFR 361, SAMPLES 58-63}{Deposit:: USGS OFR 85-395, P. 12-13}{Deposit:: USGS OFR 85-717, P. 221}{Other Database:: BAG-OFR-85-717-205}
Reporter	Leonard, Kenneth R. (Elliott, R. L.), Mosier, Dan