California · Calaveras County
Past Producer

Fourth of July Claim

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
WorkingsUnderground
Orebody formSTREAM SEDIMENT DEPOSITS
Ore controlStream Hydraulics
Materials
Ore mineralsGold
Geology
Host rockGravel · Ione Formation
Tectonic settingBase Of Sierra Nevada Foothills
Economic & production
Development statusPast Producer
Identification
Deposit ID10038063
MRDS IDM045334
RegionNA
Data scoreB
Coordinates38.23935, -120.85769
References
LOGAN, C.A., AND FRANKE, HERBERT, 1936, MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 32, NO. 3, P. 340, 359.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. 197.