Mine detail: Keystone

Previously called ''

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Location

Lat / long:

38.41796, -120.82296

Resource(M)

Primary:	Gold
Tertiary:	Antimony, Arsenic
Ore:	Gold, Pyrite, Stibnite
Discovery year:	1851

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Production years:	1851 TO 1919 ; 1933 TO 1942

Geology

Host type:

Slate,Greenstone

References

MRDS	M005016
DEP	10028175
Reference	{Deposit:: CARLSON, D.W. AND CLARK, W.B., 1954 , MINES AND MIN. RES. OF AMADOR COUNTY, CAL: CJMG VOL. 50 , P. 185}{Deposit:: DOM BULL. 144, P. 215}
Reporter	Gere, W., Tatkin, T.; Albers, J.