Mine detail: Pioneer

Previously called 'Mitchell Ranch'

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Location

Lat / long: 39.23045, -121.03159

Resource(M)

Primary: Gold
Secondary: Lead, Copper, Tungsten
Ore: Chalcopyrite, Gold, Pyrite
Gangue: Quartz

Production

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

Geology

Host type:Diorite
Associated type:Diorite

References

MRDSC011208
DEP10101244
Reference{Deposit:: LOGAN, C. A., 1930 , SACRAMENTO FIELD DIVISION: REPORT XXVI OF THE STATE MINERALOGIST; CALIFORNIA DIVISION OF MINES VOL. 26 , NO. 2 , P. 127 - 128}{Production:: LOGAN, ( 1930 )}
ReporterBowman, J. And Albers, J.