Mine detail: Volcano District

Previously called ''

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Location

Lat / long: 38.44251, -120.63129

Resource(M)

Primary: Gold
Ore: Gold
Gangue: Quartz
Orebody form: Irregular, lens
Discovery year: 1848

Production

Operation type: Surface
Deposit type: Stream Placer
Development status: Past Producer

Geology

Host type:Sand and Gravel
Structure:Calaveras-Shoofly thrust fault, Melones Fault zone
Tectonic:Magmatic arc
Alteration processes:NA

References

DEP10310690
Reference{Deposit:: Clark, W. B., 1970, Gold districts of California: California Divisions of Mines and Geology Bulletin 193, p. 126-127.}{Deposit:: Carlson, D.W., and Clark, W.B., 1954, Amador County, placer gold: California Journal of Mines and Geology, v. 50, pp. 197-200.}{Deposit:: Haley, C.S., 1923, Gold placers of California: California Mining Bureau Bulletin 92, pp. 146-147.}{Deposit:: Koschmann, A.H., and Bergendahl, M.H., 1968, Principal gold-producing districts in the United States: U.S. Geological Survey Professional Paper 610, p. 58}{Deposit:: Lindgren, W., 1911, Tertiary gravels of the Sierra Nevada: U.S. Geological Survey Prof. Paper 73, pp.195-213}{Deposit:: 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J.E., 1983, The Geology and structural evolution of a portion of the Mother Lode Belt, Amador County, California: unpublished M.S. thesis, University of Arizona, 138 p.}
ReporterDowney, Cameron (Higgins, Chris, T.), Schruben, Paul G.