Commodities
PrimaryMercury
Commodity typeM
Deposit
Deposit sizeM
WorkingsUnderground
Ore controlLocal Faults Trending Nw And Ne
Materials
Ore mineralsCinnabar
GangueCalcite, Pyrite, Quartz
Geology
Host rockClastic Sedimentary Rock · Franciscan Complex
Associated rockBasalt
StructureLocal Fractures , Brecciation Of Sediments, Mayacmas Anticline Trending Nw
Tectonic settingFranciscan Melange
AlterationKaolinization Of Sediments
Economic & production
Development statusPast Producer
First production1876
Discovery year1872
Identification
Deposit ID10040797
MRDS IDM055670
Alternate namesNapa Consolidated, Oat Hill
RegionNA
Data scoreB
Coordinates38.67852, -122.51859
References
HOLMES, G. W., JR., 1965, MERCURY IN CALIFORNIA: IN USBM IC 8252BAILEY, E. H., USGS, PERSONAL FILESYATES, R. G. AND HILPERT, L. S., 1949, QUICKSILVER DEPOSITS OF THE EASTERN MAYACMAS DISTRICT, LAKE AND NAPA COUNTIES, CALIFORNIA: CALIF. JOUR. OF MINES AND GEOLOGY, V. 42, no. 3, p. 231-286, pl. 29.BRADLEY, W.W., 1918, QUICKSILVER RESOURCES OF CALIFORNIA: CJMG BULL. 78, 389 P.DAVIS, F.F., 1948, MINES AND MINERAL RESOURCES OF NAPA COUNTY, CALIF.: CJMG, V. 44, P. 176-183JOHNSON, F.T. AND RICKER, S., 1949, INVESTIGATION OF THE OAT HILL MERCURY MINE, NAPA COUNTY, CALIF.: USBM RI 4542RANSOME, A.L. AND KELLOGG, J.L., 1939, QUICKSILVER RESOURCES OF CALIFORNIA: CJMG, V. 35, P. 353-486