Mine detail: San Mateo

Previously called ''

<< Back to the map

Location

Lat / long:

37.19964, -121.87686

Resource(M)

Primary:	Mercury
Ore:	Cinnabar
Gangue:	Dolomite, Pyrite
Discovery year:	1860

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Production years:	1860 - 1870, 1899 - 1901, 1915 - 1917, 1935 - 1940

Geology

Host type:	Siltstone
Structure:	Faults Striking N 55 W
Alteration processes:	Silicification And Argillization Along Faults

References

MRDS	M055620
DEP	10040754
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:: BAILEY AND EVERHART, 1964}
Reporter	Peterson, Jocelyn A.