Commodities
PrimaryMercury
Commodity typeM
Deposit
Deposit sizeS
WorkingsSurface/Underground
Orebody formPODS
Ore controlBreccia Zone
Geology
Host rockClastic Sedimentary Rock
AlterationSilica Carbonate Alteration Of Serpentine
Economic & production
Development statusPast Producer
Production years1904, 1935 - 1937, 1940 - 1944, 1946
Discovery year1870
Identification
Deposit ID10040902
MRDS IDM055786
Alternate namesSanta Clara, Black Hawk
RegionNA
Data scoreB
Coordinates35.74273, -121.27127
References
HOLMES, G. W., JR., 1965, MERCURY IN CALIFORNIA: IN USBM IC 8252BAILEY, E. H., USGS, PERSONAL FILESECKEL, E. B., YATES, R. G., AND GRANGER, A. E., 1940, QUICKSILVER DEPOSITS IN SAN LUIS OBISPO COUNTY AND SOUTHWESTERN MONTEREY COUNTY CALIFORNIA: USGS BULL. 922-R, P. 515 - 580FRANKE, H. A., 1935, MINES AND MINERAL RESOURCES OF SAN LOUIS OBISPO COUNTY, CALIFORNIA: CALIF. JOUR. OF MINES AND GEOLOGY, V. 31, P. 434 - 4555) BRADLEY, W.W., 1918, QUICKSILVER RESOURCES OF CALIFORNIA: CJMG BULL. 78, 389 P.6) RANSOME, A.L. AND KELLOGG, J.L., 1939, QUICKSILVER RESOURCES OF CALIFORNIA: CJMG, V. 35, P. 353-486USBM DATA