Mine detail: Blackstone

Previously called ''

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Location

Lat / long:

38.38797, -120.57434

Resource(M)

Primary:	Gold
Secondary:	Lead, Zinc, Copper
Ore:	Chalcopyrite, Galena, Gold, Pyrite, Sphalerite
Gangue:	Quartz

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Production years:	1933 - 1951

Geology

Host type:	Diorite
Structure:	Several Nearly W. Striking Faults Several W To N Striking Verticle, Fine-Grained Basic To Intermed. Composition Dikes Cut Vein And Country Rock

References

MRDS	M006751
DEP	10029299
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 38 - 39 , 42 - 43 , 138 AND PL}{Production:: CLARK ( 1962 )}
Reporter	Mateik, R.; Albers, John P.