Mine detail: Spanish Mine

Previously called ''

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Location

Lat / long: 39.38169, -120.78713

Resource(B)

Primary: Gold
Secondary: Barium-Barite, Zinc, Lead, Copper, Silver
Ore: Gold, Galena, Sphalerite, Bornite
Gangue: Quartz, Barite
Orebody form: Tabular, lens
Discovery year: 1883

Production

Operation type: Surface-Underground
Deposit type: Hydrothermal vein
Development status: Past Producer

Geology

Host rock:Shoo Fly Complex
Host type:Slate
Structure:Melones Fault Zone, Melones Fault Zone, Goodyears Creek Fault
Tectonic:Magmatic arc

References

DEP10310686
Reference{Deposit:: Clark, L. D., 1960, Foothills fault system, western Sierra Nevada, California: Geological Society of America Bulletin, v. 71, p. 483-496.}{Deposit:: Clark, W.B., 1970, Gold districts of California: California Division of Mines and Geology Bulletin 193, p. 128.}{Deposit:: Crawford, J.J., 1896, Nevada County, Spanish Mine: California State Mining Bureau Report 13, p. 264.}{Deposit:: Harwood, D.S., 1988, Tectonism and metamorphism in the northern Sierra terrane, northern California, in Ernst, W. G., editor, Metamorphism and crustal evolution of the western United States (Rubey Volume VII): Prentice-Hall, Englewood Cliffs, New Jersey, p. 764-788.}{Deposit:: Hobson, J.B. and Wiltsee, E.A., 1893, Nevada County, Spanish Mine: California State Mining Bureau Report 11, p. 292-293.}{Deposit:: Irelan, W., Jr., 1888, Nevada County, Washington mining district: California State Mining Bureau Report 8, p. 442-443.}{Deposit:: Lindgren, W., 1900, Colfax folio, California: U.S. Geological Survey Atlas of the U.S., Folio 66, 10 p.}{Deposit:: Lindgren, W., 1911, Tertiary gravels of the Sierra Nevada: U.S. Geological Survey Professional Paper 73, p. 139-141.}{Deposit:: Logan, C.A., 1930, Nevada County, Spanish Mine: California State Mining Bureau Report 26, p. 128-129.}{Deposit:: Logan, C.A., 1941, Nevada County, Spanish Mine: California State Mining Bureau Report 37, p. 428.}{Deposit:: Loyd, R.C. and Clinkenbeard, J, 1990, Mineral land classification of Nevada County, Califonia: California Dept. of Conservation, Division of Mines and Geology, Special Report 164.}{Deposit:: MacBoyle, E., 1919, Nevada County, Spanish Mine: California State Mining Bureau Report 16, p. 249.}{Deposit:: Additional information on the Spanish Mine is contained in File No. 331-9114 (CGS Mineral Resources Files, Sacramento) and in Mine File No. 91-29-0003 (California Department of Conservation, Office of Mine Reclamation)}
ReporterDowney, Cameron (Higgins, Chris, T.), Schruben, Paul G.