Commodities
PrimaryChromium
TertiaryPlatinum, Palladium, Iridium, Ruthenium, Rhodium
Commodity typeM
Deposit
Model15: Podiform chromite (minor)
Deposit sizeS
WorkingsSurface/Underground
Orebody formMASSIVE LENSES AND STREAKS, DISSEMINATED
Ore controlMagmatic Segregation
Materials
Ore mineralsChromite
GangueAnthophyllite, Chlorite, Magnesite, Talc, Tremolite, Uvarovite
Geology
Host rockDunite
Associated rockPeridotite · Seiad Valley Complex
Structure3 Sets Of Complex Faults And Joints With Little Displacement
Tectonic settingKlamath Mountains Accreted Terrane
AlterationDunite Is Partly Serpentinized
Economic & production
Development statusPast Producer
First production1914
Last production1945
Discovery year1915
Identification
Deposit ID10077720
MRDS IDW025614
Alternate namesMountain View, Reddy No. 2, Teddy Chrome, Red Hills, Valley View
RegionNA
Data scoreB
Coordinates41.90955, -123.14392
References
WELLS, F.G., AND CATER, F.W., JR., 1950, GEOLOGICAL INVESTIGATIONS OF CHROMITE IN CALIFORNIA: CALIFORNIA DIVISION OF MINES BULLETIN 134, PT. 1, CH. 2, P. 118.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.WELLS, F.G., SMITH, C.T., RYNEARSON, G.H., AND LIVERMORE, J.S., 1949, CHROMITE DEPOSITS NEAR SEIAD AND MCGUFFY CREEKS, SISKIYOU COUNTY, CALIFORNIA: U.S. GEOLOGICAL SURVEY BULLETIN 948-B, P. 48-52.WEIBELT, F.J., AND RICKER, SPANGLER, 1949, INVESTIGATION OF THE SEIAD CREEK CHROMITE DEPOSITS, SISKIYOU COUNTY, CALIF.: U.S. BUREAU OF MINES REPORT OF INVESTIGATIONS 4619, 28 P.