Mine detail: Pioneer Chief Mine

Previously called 'Thorn'

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Location

Lat / long: 38.17019, -120.6799

Resource(M)

Primary: Gold
Ore: Gold
Gangue: Quartz

Production

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

Geology

Host type:Slate,Greenstone

References

MRDSM006179
DEP10102669
Reference{Deposit:: CLARK, W.B., & LYDON, P.A., 1962 , MINES AND MINERAL RESOURCES OF CALAVERAS COUANTY, 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. 316}{Deposit:: LOGAN, C.A., 1935 , MOTHER LODE GOLD BELT OF CALIF.: CDM BULL. 108 , P 146 & PL 6}{Production:: LOGAN, 1935}
ReporterHayden, F. (Albers, J.)