Mine detail: Empire West

Previously called ''

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Location

Lat / long:

39.19211, -121.06436

Resource(M)

Primary:	Gold
Secondary:	Silver, Lead
Ore:	Galena, Gold, Pyrite
Gangue:	Quartz
Orebody form:	MASSIVE, RIBBON & SHEARED

Production

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

Geology

Host type:	Diabase
Structure:	To Nw, Vein In Fracture Zone

References

MRDS	C010970
DEP	10007273
Reference	{Deposit:: MACBOYLE, E., 1918 , MINES AND MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 16 , P. 162 - 163 .}{Deposit:: JOHNSTON, W. D., 1940 , THE GOLD QUARTZ VEINS OF GRASS VALLEY, CALIFORNIA: US GEOLOGICAL SURVEY PROFESSIONAL PAPER 194 , P. 79 - 82 .}{Production:: MACBOYLE ( 1918 )}
Reporter	Bowman, J. And Albers, J., Beougher, Delilah J. (Spanski, Gregory T.), Mosier, Dan