Description
J.W. Proffitt And S.M. Briscoe Estate
Commodities
PrimaryGold
SecondaryPlatinum
TertiaryOsmium, Iridium
Commodity typeM
Deposit
Deposit typeStream Placer
Model119: Placer Au-PGE
Deposit sizeS
WorkingsSurface
Orebody formSTREAM SEDIMENT DEPOSITS
Ore controlStream Hydraulics
Geology
Host rockGravel
Tectonic settingKlamath Mountains Accreted Terrane
Economic & production
Development statusProducer
Discovery year1860
Identification
Deposit ID10038021
MRDS IDM045276
RegionNA
Data scoreB
Coordinates41.20039, -123.66225
References
LOGAN, C.A., 1919, PLATINUM AND ALLIED METALS IN CALIFORNIA: CALIFORNIA STATE MINING BUREAU BULLETIN 85, P. 65, 109.LAIZURE, C.MCK., 1925, DEL NORTE COUNTY: CALIFORNIA STATE MINING BUREAU, 21ST REPORT OF THE STATE MINERALOGIST, P. 310.