Commodities
PrimaryChromium
TertiaryPalladium, Rhodium, Ruthenium, Iridium, Platinum
Commodity typeM
Deposit
Model15: Podiform chromite (minor)
Deposit sizeS
Orebody formKIDNEY SHAPED PODS
Ore controlMagmatic Segregation
Materials
Ore mineralsChromite
GangueOlivine
Geology
Host rockDunite
Associated rockPeridotite · Josephine Ophiolite
StructureStrong Shear, Striking N35w And Dipping 75ne, Hosts Ore
Tectonic settingKlamath Mountains Accreted Terrane
AlterationUltramafic Rocks Are Serpentinized
Economic & production
Development statusPast Producer
Identification
Deposit ID10029766
MRDS IDM007533
Alternate namesDarnell
RegionNA
Data scoreB
Coordinates41.80121, -123.86893
References
WELLS, F.G., CATER, F.W., JR., AND RYNEARSON, G.A., 1946, GEOLOGICAL INVESTIGATIONS OF CHROMITE IN CALIFORNIA: CALIFORNIA DIVISION OF MINES BULLETIN 134, PT. 1, CH. 1, P. 57.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., 1952, MINES AND MINERAL RESOURCES OF DEL NORTE COUNTY, CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY V. 48, NO. 4, P. 293.