Commodities
PrimaryMercury
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Orebody formPIPELIKE
Ore controlBrecciation Of Silica - Carbonate Rock
Materials
Ore mineralsCinnabar
GangueCalcite, Pyrite, Quartz, Stibnite
Geology
Host rockSerpentinite · Franciscan Complex
StructureLocal Cross Fractures
AlterationSilica Carbonate Alteration Of Serpentine
Economic & production
Development statusProducer
Production years1901 - 1904, 1907, 1910, 1915 - 1917, 1932, 1934 - 1935, 1937 - 1942, 1947 - 1948, 1952, 1954
Discovery year1901
Identification
Deposit ID10040885
MRDS IDM055764
Alternate namesJacks 7x, Belt
RegionNA
Data scoreB
Coordinates35.57135, -120.89931
References
HOLMES, G. W., JR., 1965, MERCURY IN CALIFORNIA: IN USBM IC 8252ECKEL, 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 - 580BAILEY, E. H., USGS, PERSONAL FILESBRADLEY, W.W., 1918, QUICKSILVER RESOURCES OF CALIFORNIA: CJMG BULL. 78, 389 P.5) FRAKNE, H.A., 1935, MINES AND MINERAL RESOURCES OF SAN LUIS OBISPO COUNTY, CALIF.: CJMG, V. 31, P. 434-4556) RANSOME, A.L. AND KELLOGG, J.L., 1939, QUICKSILVER RESOURCES OF CALIFORNIA: CJMG, V. 35, P. 353-486USBM DATA