Alabama-California Mine

Placer County, California, United States

Silver Gold Lead Arsenic Bismuth Antimony

Land & claims · BLM · live

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BLM MLRS ↗Claims at this point ↗Surface mgmt ↗

Surface manager + active mining claims at this point, live from BLM. The "open to location" notes are a general 1872-Mining-Law guide, not BLM output — decision-support only; verify with BLM MLRS and on the ground before staking or entry.

Commodities

PrimarySilver, Gold

SecondaryLead

TertiaryArsenic, Bismuth, Antimony

Commodity typeMetallic

Deposit

Deposit typeHydrothermal vein

Model273: Low-sulfide Au-quartz vein

Orebody formTabular

Ore controlQuartz veins fill fractures developed in quartz diorite

Materials

Ore mineralsGold, Pyrite, Galena, Argentite, Telluride

GangueQuartz

Geology

Host rockQuartz Diorite · Penryn Pluton

StructureBear Mountains Fault Zone

Tectonic settingMagmatic arc

AlterationNone reported

Economic & production

Development statusPast Producer

Discovery year1860

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References

Clark, W.B. and Carlson, D.W., 1956, Mines and mineral resources of El Dorado County: California Division of Mines, California Journal of Mines and Geology, v. 52, p. 408.Clark, W.B., 1970, Gold districts of California: California Divisions of Mines and Geology Bulletin 193, p. 103, 105.Clark. W.B., and Lydon, P.A., 1962, Mines and mineral resources of Calaveras County, California: California Division of Mines and Geology County Report No. 2, p. 40.Earhart, R.L., 1988, Geologic setting of gold occurrences in the Big Canyon area, El Dorado County, California: U.S. Geological Survey professional Paper 1576, 13 p.Knopf, A., 1929, The Mother Lode system of California: U. S. Geological Survey Professional Paper 157, 88 p.Lindgren, W., 1894, Sacramento Folio: U.S. Geological Survey Atlas of the U.S., Folio 5, 3 p.Logan, C.A., 1927, Placer County: 23rd Annual Report of the State Mineralogist, California State Mining Bureau, p. 250.Logan, C.A., 1935, Placer County: 31st Annual Report of the State Mineralogist, California Journal of Mines and Geology, p. 17-18.Logan, C.A., 1936, Gold mines of Placer County: 32nd Annual Report of the State Mineralogist, California Journal of Mines and Geology, p. 10-11, 16-17.Olmsted, F.H., 1971, Pre-Cenozoic geology of the south half of the Auburn 15-minute quadrangle, California: U.S. Geological Survey Bulletin 1341, 30 p.Schweickert, R.A., Hanson, R.E., and Girty, G.H., 1999, Accretionary tectonics of the Western Sierra Nevada Metamorphic Belt in Wagner, D.L. and Graham, S.A., editors, Geologic field trips in northern California: California Division of Mines and Geology Special Publication 119, p. 33-79.Wagner, D.L. and others, 1981, Geologic map of the Sacramento Quadrangle, California: California Department of Conservation, Division of Mines and Geology Regional Geologic Map Series, Map No. 1A, scale 1:250,000.Zimmerman, J.E., 1983, The Geology and structural evolution of a portion of the Mother Lode Belt, Amador County, California: unpublished M.S. thesis, University of Arizona, 138 p.

Identification

Deposit ID10310695

Alternate namesAmerican

RegionNA

Data scoreB

Coordinates38.84444, -121.15639