Mine detail: Pioneer Mine

Previously called ''

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Location

Lat / long: 37.95435, -120.72712

Resource(M)

Primary: Gold
Secondary: Silver, Copper
Ore: Gold, Pyrite
Gangue: Quartz

Production

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

Geology

Host type:Greenstone
Alteration processes:Kaolinized Pyritic Greenstone

References

MRDSM005708
DEP10028624
Reference{Deposit:: CLARK, W.B., & LYDON, P.A., 1962 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY, CALIF.: CALIF. DIV. MINES & GEOL., COUNTY REPORT 2 , P. 174 & PL B}{Deposit:: LOGAN, C.A., FRANKE, H., 1936 , MINES AND MINERAL RESOURCES OF CALAVERAS CO.: CDM CALIF. JOUR. MINES & GEOL., VOL. 32 , NO. 3 , P. 282 & 316}{Production:: CLARK, 1962}
ReporterHayden, F. (Albers, J.)