Commodities
PrimaryGold
SecondaryPlatinum, Silver
Commodity typeM
Deposit
Deposit typeStream placer
Model119: Placer Au-PGE
Orebody formIrregular
Materials
Ore mineralsGold
GangueQuartz, Magnetite, Ilmenite, Zircon, Garnet
Geology
Host rockGravel
StructureBear Mountains fault zone, Melones fault zone
Tectonic settingMagmatic arc
Economic & production
Development statusPast Producer
Discovery year1849
Identification
Deposit ID10310633
RegionNA
Data scoreB
Coordinates38.09525, -120.87079
References
Clark, W. B., 1970, Gold districts of California: California Divisions of Mines and Geology Bulletin 193, p. 80.Clark. W. B., Lydon, P.A., 1962, Mines and mineral resources of Calaveras County, California: California Division of Mines and Geology County Report No. 2, p. 76-93.Logan, C.A., 1919, Calaveras River area: California Mining Bureau Bulletin 85, pp. 32-35.Logan, C.A., 1936, Calaveras County, ancient shore line deposits: California Division of Mines Report 32, pp. 324-325.Tucker , W. B., 1915, Calaveras County, gold dredging: California Mining Bureau report 14, pp. 124-127.