Mine detail: Gold Run District

Previously called ''

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Location

Lat / long: 39.16389, -120.84903

Resource(M)

Primary: Gold
Secondary: Platinum, Silver
Ore: Gold
Gangue: Quartz, Magnetite, Ilmenite, Zircon, Pyrite, Amphibole, Epidote, Chlorite, Siderite
Orebody form: Irregular
Discovery year: 1849

Production

Operation type: Surface-Underground
Deposit type: Stream placer
Development status: Past Producer

Geology

Host type:Sand and Gravel
Structure:Foresthill Fault, Melones Fault Zone, Foresthill Fault, Gills Hill Fault
Tectonic:Magmatic arc

References

DEP10310621
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. 52.}{Deposit:: Hobson, J.B., 1890, Gold Run district; California State Mining Bureau Report 10, p. 427.}{Deposit:: Jarman, A, 1927, Gold Run: California State Mining Bureau Report 23, p. 81-86.}{Deposit:: Lindgren, W., 1900, Colfax Folio: 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. 144-146.}{Deposit:: Saucedo, G. J. and Wagner, D. L., 1992, Geologic map of the Chico Quadrangle: California Division of Mines and Geology Regional Map Series Map No. 7A, scale 1:250,000.}{Deposit:: Yeend, W.E., 1974, Gold-bearing gravel of the ancestral Yuba River, Sierra Nevada, California: U.S. Geological Survey Professional Paper 772, 44 p.}
ReporterDowney, Cameron (Higgins, Chris, T.), Schruben, Paul G.