Commodities
PrimaryMercury
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Ore controlContact And Local Faulting
Materials
Ore mineralsCinnabar, Mercury
GangueQuartz
Geology
Host rockSerpentinite
StructureSerpentine - Sandstone Contact
AlterationSilica Carbonate Alteration Of Serpentine
Economic & production
Development statusProducer
Production years1917 - 1918, 1931 - 1936, 1938, 1940 - 1941, 1947
Discovery year1917
Identification
Deposit ID10040829
MRDS IDM055704
Alternate namesBright Hope
RegionNA
Data scoreB
Coordinates38.80599, -122.8433
References
HOLMES, G. W., JR., 1965, MERCURY IN CALIFORNIA: IN USBM IC 8252BAILEY, E. H., USGS, PERSONAL FILESBAILEY, E. H., 1946, QUICKSILVER DEPOSITS OF THE WESTERN MAYACMAS DISTRICT, SONOMA COUNTY, CALIFORNIA: CALIF. JOUR. OF MINES AND GEOLOGY, V. 42, P. 199 - 230BRADLEY, W. W., 1918, QUICKSILVER RESOURCES OF CALIFORNIA: CALIF. STATE MIN. BUREAU BULL. 78, 389 P.5) HONKE, M.T., JR. AND VER PLANCK, W.E., JR., 1950, MINES AND MINERAL RESOURCES OF SONOMA COUNTY, CALIF.: CJMG, V. 46, P. 98-1056) RANSOME, A.L. AND KELLOGG, J.L., 1939, QUICKSILVER RESOURCES OF CALIFORNIA: CJMG, V. 35, P. 353-486USBM DATA