Commodities
PrimaryGold
SecondarySilver, Platinum
Commodity typeM
Deposit
Deposit typeStream placer
Model119: Placer Au-PGE
Orebody formIrregular
Ore controlMechanical accumulation within stream-channel lag gravels, bars, and point-bar deposits.
Materials
Ore mineralsGold, Platinum, Electrum
GangueQuartz
Economic & production
Development statusProducer
Discovery year1849
Identification
Deposit ID10310613
RegionNA
Data scoreB
Coordinates38.62323, -121.21143
References
Clark, W. B., 1970, Gold districts of California: California Divisions of Mines and Geology Bulletin 193, p. 47-48.Carlson, D.W., 1955, Mines and mineral resources of Sacramento County, California: California Journal of Mines and Geology, v. 51, no. 2, p. 134-143.Koschmann, A.H., and Bergendahl, M.H., 1968, Principal gold-producing districts of the United States: U. S. Geological Survey Professional Paper 610, 283 p.Lindgren, W., 1911, Tertiary gravels of the Sierra Nevada: U.S. Geological Survey Professional Paper 73, p. 222.Logan, C.A., 1919, Platinum and allied metals in California: California State Mining Bureau Bulletin 85, 120 p.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.Winston, W.B., 1910, Gold dredging in California: California State Mining Bureau Bulletin 57, p. 175-204.