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

MRDS	M006179
DEP	10102669
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}
Reporter	Hayden, F. (Albers, J.)