Commodities
PrimaryGold
Commodity typeM
Deposit
Deposit typeStream placer
Model119: Placer Au-PGE
Orebody formIrregular
Ore controlMechanical accumulation on irregular bedrock riffles and within river- and stream-channel lag gravels, bars, and point-bar deposits.
Materials
Ore mineralsGold
GangueQuartz
Economic & production
Development statusPast Producer
Discovery year1849
Identification
Deposit ID10310641
RegionNA
Data scoreB
Coordinates39.84325, -121.58966
References
Clark, W.B., 1970, Gold districts of California: California Division of Mines and Geology Bulletin 193, p. 88.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. 90-93.Logan, C.A., 1930, Butte County: California State Mining Bureau, 26th Report of the State Mineralogist, p. 360-412.O?Brien, J.C., 1949, Mines and mineral resources of Butte County, California: California Journal of Mines and Geology, v. 45, no. 3, p. 417-454.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.