California · Calaveras County
Producer

Mokelumne River

Calaveras County, California, United States
GoldPlatinum
⌖ Show on mapUSGS source ↗
Commodities
PrimaryGold
SecondaryPlatinum
Commodity typeM
Deposit
Deposit typeStream Placer
Model119: Placer Au-PGE
Deposit sizeS
WorkingsSurface
Orebody formSTREAM SEDIMENT DEPOSITS
Ore controlStream Hydraulics
Materials
Ore mineralsGold
Geology
Host rockGravel · Ione Formation
Tectonic settingBase Of Sierra Nevada Foothills
Economic & production
Development statusProducer
Production years1917-1941
Identification
Deposit ID10038062
MRDS IDM045333
RegionNA
Data scoreB
Coordinates38.20211, -120.96682
References
LOGAN, C.A., 1925, CALAVERAS COUNTY: CALIFORNIA STATE MINING BUREAU, 21ST REPORT OF THE STATE MINERALOGIST, NO. 2, P. 163.CLARK, W.B., AND LYDON, P.A., 1962, MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY, CALIFORNIA: CALIFORNIA DIVISION OF MINES AND GEOLOGY COUNTY REPORT 2, P. 76-84.LOGAN, C.A., 1919, PLATINUM AND ALLIED METALS IN CALIFORNIA: CALIFORNIA STATE MINING BUREAU BULLETIN 85, P. 31-32.FIRST PT EST BASED ON MRDS RECORD M005603