Mine detail: Mann

Previously called 'Greenstone'

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Location

Lat / long:

37.91242, -120.43239

Resource(M)

Primary:	Copper
Secondary:	Gold
Ore:	Chalcopyrite, Pyrite

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Production years:	1912 , 1917

Geology

Host type:

Serpentinite

References

MRDS	W025978
DEP	10077903
Reference	{Deposit:: LOGAN, C. A., 1949 , MINES AND MINERAL RESOURCES OF TUOLUMNE COUNTY; CALIF. JOUR. MINES AND GEOLOGY VOL. 45 , NO. 1, P. 53 - 54.}{Deposit:: ERIC, J. H., 1948 , COPPER IN CALIFORNIA BULL. 144 ; DIV. OF MINES, P. 355.}{Deposit:: TUCKER, W. B., 1914 , TUOLUMNE COUNTY; 14TH REPT. STATE MINERALOGIST; CALIF. MIN. BUR., P. 135}{Production:: LOGAN, C. A., 1949 , P. 53 - 54 (SEE REF.)}
Reporter	Fraticelli, L. A. (Albers, J.)