Commodities
PrimaryMercury
Commodity typeM
Deposit
Deposit sizeS
WorkingsSurface/Underground
Orebody formLENSES
Ore controlFault Intersections
Materials
Ore mineralsCinnabar, Mercury
Geology
Host rockSerpentinite
StructureSerpentine - Sandstone Contact
AlterationSilica Carbonate Alteration Of Serpentine
Economic & production
Development statusPast Producer
Production years1942 - 1947
Discovery year1940
Identification
Deposit ID10040825
MRDS IDM055700
Alternate namesDewey, Big Red, Eagle Rock
RegionNA
Data scoreC
Coordinates38.79821, -122.82914
References
HOLMES, G. W., JR., 1965, MERCURY IN CALIFORNIA: IN USBM IC 8252BAILEY, E. H., USGS, PERSONAL FILESHONKE, M. T., JR. AND VER PLANCK, W. E., JR., 1950, MINES AND MINERAL RESOURCES OF SONOMA, COUNTY, CALIFORNIA: CALIF. JOUR. OF MINES AND GEOLOGY, V. 46, P. 98 - 105BAILEY, E. H., 1946, QUICKSILVER DEPOSITS OF THE WESTERN MAYACMAS DISTRICT, SONOMA COUNTY, CALIFORNIA: CALIF. JOUR. OF MINES AND GEOLOGY, V. 42, P. 199 - 230USBM DATA