Commodities
PrimaryChromium
TertiaryRhodium, Ruthenium, Iridium, Platinum, Palladium
Commodity typeM
Deposit
Model15: Podiform chromite (minor)
Deposit sizeS
Orebody formLENSES AND POCKETS
Ore controlMagmatic Segregation
Materials
Ore mineralsChromite
GangueSerpentine, Talc
Geology
Host rockDunite
Associated rockPeridotite
Tectonic settingKlamath Mountains Accreted Terrane - Rattlesnake Creek Terrane
AlterationUltramafic Rocks Are Serpentinized
Economic & production
Development statusPast Producer
Production years1924, 1942-43, 1945, 1952-56
Last production1956
Identification
Deposit ID10048468
MRDS IDMP00055
Alternate namesLittle Red Mountain Group
RegionNA
Data scoreB
Coordinates40.28902, -122.9461
References
WELLS, F.G., AND HAWKES, H.E., 1965, GEOLOGICAL INVESTIGATIONS OF CHROMITE IN CALIFORNIA: CALIFORNIA DIVISION OF MINES AND GEOLOGY BULLETIN 134, PT. 1, CH. 3, P. 162-163.CARLSON, C.A., AND OTHERS, 1985, ANALYSES FOR PLATINUM-GROUP ELEMENTS IN SAMPLES FROM PODIFORM CHROMITE DEPOSITS, CALIFORNIA AND OREGON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 85-442, 14 P.O'BRIEN, J.C., 1946, MINES AND MINING IN TEHAMA COUNTY, CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY V. 42, NO. 3, P. 187.