Pioneer Chief Mine (Thorn Mine), San Andreas, Calaveras Co., California, USA
REF: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
Commodities (Major) - Gold
Development Status: Past Producer
Host Rock: Greenstone, Slate
2.9 km (9,400 feet) S of San Andreas.
| Gold|| Quartz|
2 entries listed. 2 valid minerals.
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Locality Updated: Melgaço, Viana do Castelo District, PortugalFrom Rui Nunes, 12th Dec 2013 11:09:53