Mine detail: Big Four Mine

Previously called 'Annex Mine'

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Location

Lat / long: 40.54129, -117.11372

Resource(M)

Primary: Silver
Secondary: Gold, Lead
Ore: Galena
Orebody form: TABULAR
Discovery year: 1935

Production

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

Geology

Host rock:Harmony Formation
Host type:Sandstone,Limestone
Associated type:Quartz Monzonite
Structure:Dewitt Thrust Fault, N-Trending Fault

References

MRDSM231299
DEP10043986
Reference{Deposit:: STEWART, J. H., MCKEE, E. H. AND STAGER, H. K., 1977, GEOLOGY AND MINERAL DEPOSITS OF LANDER COUNTY, NEVADA: NBMG BULL. 88.}{Deposit:: ROBERTS, R. J. AND ARNOLD, D. C., 1965, ORE DEPOSITS OF THE ANTLER PEAK QUADRANGLE HUMBOLDT AND LANDER COUNTIES, NEVADA; U.S.G.S. PROF. PAPER 459-B.}{Production:: ROBERTS, R. J. AND ARNOLD, D.C., 1965}
ReporterFlynn, Patricia Dodd