Commodities
PrimaryChromium
TertiaryRhodium, Iridium, Palladium, Platinum, Ruthenium
Commodity typeM
Deposit
Model15: Podiform chromite (minor)
Deposit sizeS
WorkingsSurface/Underground
Orebody formCLOSELY PACKED LENSES
Ore controlMagmatic Segregation
Materials
Ore mineralsChromite
GangueOlivine
Geology
Host rockDunite
Associated rockPeridotite · Coast Range Ophiolite
StructureShear Zone
Tectonic settingCalifornia Coast Ranges
Economic & production
Development statusPast Producer
Identification
Deposit ID10031651
MRDS IDM010775
RegionNA
Data scoreB
Coordinates38.8096, -122.37162
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. 21.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.AVERITT, PAUL, 1945, QUICKSILVER DEPOSITS OF THE KNOXVILLE DISTRICT, NAPA, YOLO, AND LAKE COUNTIES, CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY V. 41, NO. 2, PL. 6.