California · Santa Clara County
Past Producer

New Almaden Mine

Santa Clara County, California, United States
Mercury
⌖ Show on mapUSGS source ↗
Commodities
PrimaryMercury
Commodity typeM
Deposit
Deposit sizeL
WorkingsSurface/Underground
Orebody formIRREGULAR
Ore controlSerpentine - Tuff Contact, Fractures
Materials
Ore mineralsCinnabar, Metacinnabar
GangueDolomite, Quartz
Other materialsBornite, Chalcopyrite, Galena, Sphalerite, Pyrite, Stibnite
Geology
Host rockSerpentinite,Tuff · Franciscan Complex
StructureLocal Anticline, Tension Fractures, Nw
Tectonic settingFranciscan Melange
AlterationSilica Carbonate Alteration Of Serpentine
Economic & production
Development statusPast Producer
First production1845
Discovery year1824
Identification
Deposit ID10040742
MRDS IDM055605
Alternate namesChaboya, Santa Clara, New Almaden District, Cora Blanca, San Francisco, South Randol, North Randol, Victoria, Central Stope, Velasco, HarryNew Almaden, San Pedro - Almaden., Santa Mariana
RegionNA
Data scoreA
Coordinates37.17944, -121.84167
References
BAILEY, E. H. AND EVERHART, D. L., 1964, GEOLOGY AND QUICKSILVER DEPOSITS OF THE NEW ALMADEN DISTRICT, SANTA CLARA COUNTY, CALIFORNIA: U.S.G.S. PROF. PAPER. 360, 206 P.HOLMES, G. W., JR., 1965, MERCURY IN CALIFORNIA: IN USBM IC 8252BAILEY, E. H., USGS, PERSONAL FILESRANSOME, A. L., AND KELLOGG, J. L., 1939, QUICKSILVER RESOURCES OF CALIFORNIA: CALIF. JOUR. OF MINES AND GEOLOGY, V. 35, P. 353-486.BEDFORD, R.H. AND RICKER, S., 1950, INVESTIGATION OF THE NEW ALMADEN MERCURY MINE, SANTA CLARA COUNTY, CALIF.: USBM RI 4697,, 29 p.BRADLEY, W.W., 1918, QUICKSILVER RESOURCES OF CALIFORNIA: CJMG BULL. 78, 389 P.DAVIS, F.F. AND JENNING, C.W., 1954, MINES AND MINERAL RESOURCES OF SANTA CLARA COUNTY, CALIF.: Caliifornia Journal of Mines & Geology, V. 50, no. 2, P. 342-354.FORSTNER, W., 1908, QUICKSILVER RESOURCES OF CALIFORNIA: CDMG BULL. 27, 270 P.FRANKE, H.A., 1930, SANTA CLARA COUNTY, MINING IN CALIFORNIA: REPT OF THE STATE MINERALOGIST, V. 26, P. 26-33BAILEY, EDGAR H., 1951, NEW ALMADEN QUICKSILVER MINES, IN GUIDEBOOK OF THE SAN FRANCISCO BAY COUNTIES: CALIF. DIV. OF MINES BULL. 154, P. 263-270.BAILEY, EDGAR H., 1952, SUGGESTIONS FOR EXPLORATION AT NEW ALMADEN QUICKSILVER MINE, CALIFORNIA: CALIF. DIV. OF MINES SPECIAL REPORT 17, 4 P.CARGILL, S. M., ROOT, D. H. AND BAILEY, E. H., 1981, ESTIMATING USABLE RESOURCES FROM HISTORICAL INDUSTRY DATA: ECONOMIC GEOLOGY, VOL. 76, P. 1081-1095.CARGILL, S. M., ROOT, D. H. AND BAILEY, E. H., 1980, RESOURCE ESTIMATION FROM HISTORICAL DATA - MERCURY, A TEST CASE: INTERNAT. ASSOC. MATH. GEO. JOURN., V. 12, NO. 5, P. 489-522.DE YOUNG, JOHN H., 1981, THE LASKY CUMMULATIVE TONNAGE-GRADE RELATIONSHIP - A REEXAMINATION: ECONOMIC GEOLOGY, VOL. 76, P. 1067-1080.DRAKE, HAROLD J., 1980, MERCURY; MINERAL FACTS AND PROBLEMS: U.S. BUREAU OF MINES BULL. 671, PP. 563-574.STAFF, 1943, NEW ALMADEN MINE, SANTA CLARA COUNTY, CALIF.: U.S. BUREAU OF MINES WAR MINERALS REPORT 203, 11 P.