Commodities
PrimaryGold
SecondaryPlatinum, Sand and Gravel, Construction
Commodity typeB
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, Gravel, Sand
GangueQuartz
Economic & production
Development statusProducer
Discovery year1849
Identification
Deposit ID10310626
Alternate namesYuba Gold Field, Yuba River
RegionNA
Data scoreB
Coordinates39.20615, -121.44205
References
Averill, C.V., 1946, Placer mining for gold in California: California Division of Mines Bulletin 135, 377 p.Clark, W. B., 1970, Gold districts of California: California Divisions of Mines and Geology Bulletin 193, p. 62-63.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. 221.Logan, C.A., 1919, Platinum and allied metals in California: California State Mining Bureau Bulletin 85, 120 p.O?Brien, J.C., 1952, Mines and mineral resources of Yuba County, California: California Journal of Mines and Geology, v. 48, no. 1, p. 143-179.Saucedo, G.J. and Wagner, D.L., 1992, Geologic map of the Chico Quadrangle, California: California Department of Conservation, Division of Mines and Geology Regional Geologic Map Series, Map No. 7A, scale 1:250,000.Winston, W.B., 1910, Gold dredging in California: California State Mining Bureau Bulletin 57, p. 164-174.Cal Sierra Development, Inc., 1992, Unpublished report on the Yuba Goldfields.