Commodities
PrimaryMercury
Commodity typeM
Deposit
Model179: Silica-carbonate Hg
Deposit sizeM
WorkingsSurface/Underground
Orebody formSTEEPLY DIPPING TABULAR LENSES
Materials
Ore mineralsCinnabar
GangueAnkerite, Barite, Magnetite, Pyrite, Quartz
Geology
Host rockSerpentinite
Associated rockDiorite
Structure3 Major Shear Zones.
Tectonic settingKlamath Mountains
AlterationArgillic. Quartz And Ankerite Replace Diorite And Serpentine
Economic & production
Development statusPast Producer
Production years1875-1880, 1894-1901, 1929-1945(INTERMITTENT)
First production1875
Discovery year1871
Identification
Deposit ID10040731
MRDS IDM055593
Alternate namesBlockade Claim, Trinity Claim, Universal Silvers, Rare Metals Corp of America, Castella Corp
RegionNA
Data scoreA
Coordinates41.13639, -122.54472
References
BAILEY, E.H., U.S. GEOLOGICAL SURVEY, PERSONAL FILESHOLMES, G.W., JR., 1965, MERCURY IN CALIFORNIA, IN MERCURY POTENTIAL OF THE UNITED STATES: U.S. BUREAU OF MINES INFORMATION CIRCULAR 8252, P. 173-174, 199.O'BRIEN, J.C., 1965, MINES AND MINERAL RESOURCES OF TRINITY COUNTY, CALIFORNIA: CALIFORNIA DIVISION OF MINES AND GEOLOGY COUNTY REPORT 4, P. 48-49.INTFEN, S.F., AND DAVID, F.F., 1972, DIRECTORY OF MINERAL PRODUCERS IN CALIFORNIA FOR 1970: CALIFORNIA DIVISION OF MINES AND GEOLOGY PAMPHLET, P. 16.SWINNEY, C.M., 1950, THE ALTOONA QUICKSILVER MINE, TRINITY COUNTY, CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 46, NO. 3, P. 395-404.U.S. BUREAU OF MINES, 1959-1973, MINERALS YEARBOOKS: U.S. BUREAU OF MINESUSBM DATA