Mine detail: Gwin Mine

Previously called 'PalomaGwin Ext No. 1'

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Location

Lat / long:

38.26658, -120.76768

Resource(M)

Primary:	Gold
Secondary:	Silver
Tertiary:	Lead, Zinc, Copper
Ore:	Gold, Pyrite, Sphalerite
Gangue:	Albite, Calcite, Quartz, Sericite

Production

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

Geology

Host rock:	Mariposa Formation
Host type:	Slate,Conglomerate

References

MRDS	M005861
DEP	10028712
Reference	{Deposit:: CLARK, W. B., LYDON, P. A, 1962 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY, CALIF.; COUNTY REPORT 2 ; CALIF. DIV. OF MINES AND GEOLOGY, P 56 - 59 156 , AND PL B}{Deposit:: LOGAN, C. A., 1935 , MOTHER LODE GOLD BELT OF CALIF.: CDM BULL. 108 , P 141 - 2 AND PL 6}{Deposit:: LOGAN, C. A., FRANKE, H., 1936 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY; CALIF. JOUR. MINES AND GEOLOGY, VOL. 32 , NO. 3 ; DIV. OF MINES, P 307}{Production:: CLARK ( 1962 ) LOGAN ( 1934 )}
Reporter	Mateik, R.; Albers, John P.