Mine detail: Central Eureka

Previously called ''

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Location

Lat / long:

38.38296, -120.79796

Resource(M)

Primary:	Gold, Silver
Tertiary:	Iron, Zinc, Lead, Copper
Ore:	Chalcopyrite, Galena, Gold, Pyrite, Silver, Sphalerite
Gangue:	Albite, Ankerite, Quartz
Orebody form:	TABULAR/PINCH AND SWELL
Discovery year:	1855

Production

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

Geology

Host type:	Slate,Andesite
Alteration processes:	Hydrothermal Alteration Of Meta-Andesite Causing Blocky Meta-Andesite To Mix With Quartz In Ore Veins; Meta-Andesite Altered To Schist In Places.

References

MRDS	M005088
DEP	10028222
Reference	{Deposit:: CARLSON, D.W. AND CLARK, W.B., 1954 , MINES AND MIN. RES. OF AMADOR COUNTY, CAL.: CJMG VOL. 50 , P. 173}{Deposit:: LOGAN, C.A., 1934 , MOTHER LODE GOLD BELT OF CAL.: CBM BULL. 108 , P. 74 - 80 .}{Deposit:: USGS PROF. PAPER 157, P. 59-62}
Reporter	Gere, W., Tatkin, T.; Albers, J.