Commodities
PrimaryMercury
Commodity typeM
Deposit
Deposit sizeS
WorkingsSurface/Underground
Ore controlChanges In Fault Attitudes
Materials
Ore mineralsCinnabar, Metacinnabar
GangueCalcite, Dolomite, Pyrite, Quartz
Geology
Host rockSerpentinite
Associated rockVolcanic Rock (Aphanitic)
StructureLocal Faults
AlterationSilica Carbonate Alteration Of Serpentine
Economic & production
Development statusPast Producer
Production years1902 - 1905, 1909 - 1911, 1923, 1925 - 1926, 1929 - 1932, 1934 - 1935, 1937, 1941 - 1943, 1951 - 1952
Discovery year1872
Identification
Deposit ID10103825
MRDS IDM055788
Alternate namesClaus, San Jose Valley
RegionNA
Data scoreB
Coordinates35.28941, -120.47764
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 - 580RANSOME, A. L. AND KELLOGG, J. L., 1939, QUICKSILVER RESOURCES IN CALIFORNIA: CALIF. JOUR. OF MINES AND GEOLOGY, V. 35, P. 353 - 4865) BRADLEY, W.W., 1918, QUICKSILVER RESOURCES OF CALIFORNIA: CJMG BULL. 78, 389 P.6) FRANKE, H.A., 1935, MINES AND MINERAL RESOURCES OF SAN LUIS OBISPO COUNTY, CALIF.: CJMG, V. 31, P. 434-455USBM DATA