California · San Luis Obispo County
Past Producer

Madrone

San Luis Obispo County, California, United States
Mercury
⌖ Show on mapUSGS source ↗
Commodities
PrimaryMercury
Commodity typeM
Deposit
Deposit sizeS
WorkingsSurface/Underground
Orebody formIRREGULAR
Ore controlBreccia Zone
Materials
Ore mineralsCinnabar, Mercury
Geology
Host rockSerpentinite
StructureLocal Fractures
AlterationSilica Carbonate Alteration Of Serpentine
Economic & production
Development statusPast Producer
Production years1900
First production1900
Identification
Deposit ID10040883
MRDS IDM055762
RegionNA
Data scoreB
Coordinates35.57024, -120.8832
References
HOLMES, G. W., JR., 1965, MERCURY IN CALIFORNIA: IN USBM IC 8252ECKEL, E. B., YATES, R. G., AND GRANGER, A. E., 1940 QUICKSILVER DEPOSITS IN SAN LUIS OBISPO COUNTY AND SOUTHWESTERN MONTEREY COUNTY, CALIFORNIA: USGS BULL. 922-R, P. 515 - 580BAILEY, E. H., USGS, PERSONAL FILESBRADLEY, W.W., 1918, QUICKSILVER RESOURCES OF CALIFORNIA: CJMG BULL. 78, 389 P.5) FRANKE, H.A., 1935, MINES AND MINERAL RESOURCES OF SAN LUIS OBISPO COUNTY CALIF.: CJMG, V. 31, P. 434-4556) RANSOME, A.L. AND KELLOGG, J.L., 1939, QUICKSILVER RESOURCES OF CALIFORNIA: CJMG, V. 35, P. 353-486USBM DATA