California · Napa County
Past Producer

Bella Oak

Napa County, California, United States
Mercury
⌖ Show on mapUSGS source ↗
Commodities
PrimaryMercury
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Orebody formTABULAR
Ore controlChanges In Fault Attitudes
Materials
Ore mineralsCinnabar
GangueBarite, Chalcedony, Pyrite, Quartz
Geology
Host rockSerpentinite
StructureLocal Faults, Shears, Rolls
AlterationSilica Carbonate Alteration Of Serpentine
Economic & production
Development statusPast Producer
Production years1872 - 1873, 1876, 1916 - 1920, 1929 - 1933, 1935, 1942 - 1943
Discovery year1868
Identification
Deposit ID10040859
MRDS IDM055734
Alternate namesOakville, Bella Union
RegionNA
Data scoreB
Coordinates38.43989, -122.43023
References
FIX, P. F. AND SWINNEY, C. M., 1949, QUICKSILVER DEPOSITS OF THE OAKVILLE DISTRICT, NAPA COUNTY, CALIFORNIA: CALIF. JOUR. OF MINES AND GEOLOGY, V. 45, P. 31 - 46BAILEY, E. H., USGS, PERSONAL FILESHOLMES, G. W., JR., 1965, MERCURY IN CALIFORNIA: IN USBM IC 8252BRADLEY, W.W., 1918, QUICKSILVER RESOURCES OF CALIFORNIA: CJMG BULL. 78, 389 P.5) RANSOME, A.L. AND KELLOGG, J.L., 1939, QUICKSILVER RESOURCES OF CALIFORNIA: CJMG, V. 35 P. 353-486USBM DATA