Commodities
PrimaryChromium
TertiaryPlatinum, Palladium, Iridium, Ruthenium, Rhodium
Commodity typeM
Deposit
Model15: Podiform chromite (minor)
Deposit sizeS
Orebody formLENSES
Ore controlMagmatic Segregation
Materials
Ore mineralsChromite
GangueOlivine
Geology
Host rockDunite
Associated rockPeridotite · Coast Ranges Ophiolite
Tectonic settingCalifornia Coast Ranages
Economic & production
Development statusProducer
Identification
Deposit ID10109892
MRDS IDMP00069
Alternate namesNichelini Mine
RegionNA
Data scoreB
Coordinates38.50072, -122.30662
References
DOW, D.H., AND THAYER, T.P., 1946, GEOLOGICAL INVESTIGATIONS OF CHROMITE IN CALIFORNIA: CALIFORNIA DIVISION OF MINES BULLETIN 134, PT. 2, CH. 1, P. 24.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.