California · Sonoma County
Past Producer

Last Chance and Young Denver

Sonoma County, California, United States
Mercury
⌖ Show on mapUSGS source ↗
Commodities
PrimaryMercury
Commodity typeM
Deposit
Deposit sizeS
WorkingsSurface/Underground
Orebody formIRREGULAR
Ore controlShears In Silica - Carbonate Rock
Materials
Ore mineralsCinnabar
Geology
Host rockSerpentinite
StructureSerpentine - Sandstone Contact
AlterationSilica Carbonate Alteration Of Serpentine
Economic & production
Development statusPast Producer
Discovery year1865
Identification
Deposit ID10040846
MRDS IDM055721
RegionNA
Data scoreB
Coordinates38.74266, -122.76551
References
HOLMES, G. W., JR., 1965, MERCURY IN CALIFORNIA: IN USBM IC 8252BAILEY, E. H., 1946, QUICKSILVER DEPOSITS OF THE WESTERN MAYACMAS DISTRICT, SONOMA COUNTY, CALIFORNIA: CALIF. JOUR. OF MINES AND GEOLOGY, V. 42, P. 199 - 230HONKE, M.T., JR. AND VER PLANCK, W.E., JR., 1950, MINES AND MINERAL RESOURCES OF SONOMA COUNTY, CALIF.: CJMG, V. 46, P. 98-105