Mine detail: Bella Oak

Previously called 'OakvilleBella Union'

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Location

Lat / long:

38.43989, -122.43023

Resource(M)

Primary:	Mercury
Ore:	Cinnabar
Gangue:	Barite, Chalcedony, Pyrite, Quartz
Orebody form:	TABULAR
Discovery year:	1868

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Production years:	1872 - 1873, 1876, 1916 - 1920, 1929 - 1933, 1935, 1942 - 1943

Geology

Host type:	Serpentinite
Structure:	Local Faults, Shears, Rolls
Alteration processes:	Silica Carbonate Alteration Of Serpentine

References

MRDS	M055734
DEP	10040859
Reference	{Deposit:: 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 - 46}{Deposit:: BAILEY, E. H., USGS, PERSONAL FILES}{Deposit:: HOLMES, G. W., JR., 1965, MERCURY IN CALIFORNIA: IN USBM IC 8252}{Deposit:: BRADLEY, W.W., 1918, QUICKSILVER RESOURCES OF CALIFORNIA: CJMG BULL. 78, 389 P.}{Deposit:: 5) RANSOME, A.L. AND KELLOGG, J.L., 1939, QUICKSILVER RESOURCES OF CALIFORNIA: CJMG, V. 35 P. 353-486}{Production:: USBM DATA}
Reporter	Peterson, Jocelyn A.