Mine detail: New Almaden - San Francisco Area

Previously called ''

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Location

Lat / long:

37.17325, -121.84547

Resource(M)

Primary:	Mercury
Ore:	Cinnabar
Orebody form:	IRREGULAR
Discovery year:	1846

Production

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

Geology

Host rock:	Franciscan Complex
Host type:	Serpentinite
Alteration processes:	Silica Carbonate Alteration Of Serpentine

References

MRDS	M055613
DEP	10040748
Reference	{Deposit:: BAILEY, E. H., AND EVERHART, D. L., 1964, GEOLOGY AND QUICKSILVER DEPOSITS OF THE NEW ALMADEN DISTRICT, SANTA CLARA COUNTY, CALIFORNIA: USGS PROF. PAPER 360, 206 P}{Production:: USBM DATA}
Reporter	Peterson, Jocelyn A.