Mine detail: West Willys Group

Previously called 'Old Washington Claim'

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Location

Lat / long:

38.50936, -118.98041

Resource(M)

Primary:	Silver
Tertiary:	Uranium, Copper
Ore:	Argentite, Chalcocite, Chalcopyrite, Chrysocolla, Galena, Pitchblende, Torbernite
Gangue:	Barite, Epidote, Quartz, Sericite
Orebody form:	PODS
Discovery year:	1949

Production

Operation type:	Unknown
Deposit type:	Vein
Production size:	Small
Development status:	Past Producer
First production started:	1880

Geology

Host type:	Quartz Monzonite
Structure:	Shear Zones
Alteration processes:	Silicification, Argillization

References

MRDS	M232531
DEP	10044901
Reference	{Deposit:: GARSIDE, 1973, RADIOACTIVE MINERAL OCCURRENCES IN NEVADA; NBMG BULL. 81}{Deposit:: STAATZ & BAUER, 1953, URANIUM IN THE EAST WALKER RIVER AREA, LYON COUNTY, NEVADA; USGS BULL. 988-C}{Deposit:: STAATZ & BAUER, 1954, WASHINGTON DISTRICT; IN RADIOACTIVE DEPOSITS OF NEVADA; USGS BULL. 1009-C}{Deposit:: MOORE, 1969, GEOLOGY AND MINERAL DEPOSITS OF LYON, DOUGLAS, & ORMSBY COUNTIES, NEVADA; NBMG BULL. 75}{Production:: GARDISE, L., 1973}
Reporter	Royse, Sue E.