Mine detail: Potosi Mine

Previously called 'Julia Shaft On Same Claim.'

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Location

Lat / long:

39.30379, -119.65378

Resource(M)

Primary:	Silver, Gold
Secondary:	Copper, Lead
Tertiary:	Zinc, Iron
Ore:	Argentite, Chalcopyrite, Galena, Pyrite, Sphalerite
Gangue:	Quartz
Orebody form:	V-SHAPED SHALLOW DEPOSIT
Discovery year:	1860

Production

Operation type:	Unknown
Production size:	Large
Development status:	Past Producer
First production started:	1866

Geology

Host rock:	Alta Andesite
Host type:	Andesite
Structure:	Regional Dip To West And Northwest, Faults
Alteration processes:	Propylitization, Oxidation, Pyritization

References

MRDS	M231245
DEP	10043937
Reference	{Deposit:: STODDARD, CARL, AND CARPENTER, J.A., 1950, MINERAL RESOURCES OF STOREY AND LYNN COUNTIES, NEVADA: NBMG BULL.49}{Deposit:: BONHAM, H.F., 1969, GEOLOGY AND MINERAL DEPOSITS OF WASHOE AND STOREY COUNTIES, NEVADA: NBMG BULL. 70}{Deposit:: WPA STATE WRITE * PROJECT, 1940-41, INDIVIDUAL HISTORIES OF THE MINES OF THE COMSTOCK; UNPUBLISHED OPEN-FILE REPORT, NEV. BUREAU OF MINES & GEOL.}{Production:: STODDARD, C., AND CARPENTER, J.A., 1950.}
Reporter	Flynn, Patricia Dodd