Mine detail: Empire Mines Co.

Previously called ''

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Location

Lat / long:

39.20545, -121.04603

Resource(M)

Primary:	Gold
Secondary:	Copper, Lead, Zinc, Silver
Ore:	Gold
Gangue:	Quartz
Orebody form:	PINCH & SWELL, IRREGULAR

Production

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

Geology

Host type:	Diabase
Associated type:	Diorite
Structure:	Fissures Ne Portion Of Vein Sys. Cut By Nw Trending Fault Zone. Diabase Intrudes Granodiorite

References

MRDS	C011247
DEP	10101254
Reference	{Deposit:: LOGAN, C. A., 1941 , MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 37 , NO. 3 , PL. 3 , P. 393 , 450 .}{Deposit:: MACBOYLE, E., 1918 , MINES AND MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 16 , P. 154 - 162 .}{Deposit:: LOGAN, C. A., 1930 , SACRAMENTO FIELD DIVISION: REPORT XXVI OF THE STATE MINERALOGIST: CALIFORNIA DIVISION OF MINES VOL. 26 , NO. 2 , P. 105 - 108 .}{Deposit:: ERIC, J. C., 1948 , TABULATION OF COPPER DEPOSITS IN CALIFORNIA IN COPPER IN CALIFORNIA: CALIFORNIA DIVISION OF MINES BULLETIN 144 , P. 277 .}{Production:: MACBOYLE ( 1918 ) LOGAN ( 1930 ) ERIC ( 1948 )}
Reporter	Mosier, Dan, Bowman, J. And Albers, J.