Mine detail: Union Mine

Previously called ''

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Location

Lat / long: 39.31657, -119.63933

Resource(M)

Primary: Silver, Gold
Secondary: Lead, Copper
Tertiary: Zinc, Iron
Ore: Argentite, Chalcopyrite, Galena, Pyrite, Sphalerite
Gangue: Quartz
Orebody form: TABULAR
Discovery year: 1879

Production

Operation type: Unknown
Deposit type: Vein
Production size: Medium
Development status: Past Producer
First production started: 1879

Geology

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

References

MRDSM231252
DEP10043943
Reference{Deposit:: STODDARD, CARL, AND CARPENTER, J.A., 1950, MINERAL RESOURCES OF STOREY AND LYON COUNTIES, NEVADA NBMG BULL 49}{Deposit:: BONHAM, H.F., 1969, GEOLOGY AND MINERAL DEPOSITS OF WASHOE AND STOREY COUNTIES, NEVADA: NBMG BULL 78}{Deposit:: BASTIN, E.S., 1922, BONANZA ORES OF THE COMSTOCK LODE, VIRGINIA CITY, NEV; USGS. BULL 735-C}{Deposit:: WPA STATE WRITE* PROJECT, 1940-41, INDIVIDUAL HISTORIES OF THE MINES OF THE COMSTOCK; UNPUBLISHED OPEN-FILE REPORT; NEV. BUREAU OF MINES AND GEOL.}{Production:: STODDARD, C., AND CARPENTER, J.A., 1950}
ReporterFlynn, Patricia Dodd