Commodities
PrimaryGold
SecondaryPlatinum
Commodity typeM
Deposit
Model119: Placer Au-PGE
Deposit sizeS
WorkingsSurface
Orebody formPROBABLY THIN LAYERS
Ore controlWinnowing Action Of Waves, Stream Hydraulics
Geology
Host rockGravel · Ione Formation
Associated rockVolcanic Ash
Tectonic settingBase Of Sierra Nevada Foothills
Economic & production
Development statusPast Producer
First production1935
Identification
Deposit ID10038065
MRDS IDM045337
RegionNA
Data scoreB
Coordinates38.20269, -120.96741
References
LOGAN, C.A., AND FRANKE, H.A., 1936, MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 32, NO. 3, P. 326.CLARK, W.B., AND LYDON, P.A., 1962, MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY: CALIFORNIA DIVISION OF MINES AND GEOLOGY COUNTY REPT. 2, P. 85, 189.