Mine detail: Seiad Creek

Previously called 'Teddy ChromeRed HillsValley ViewMountain ViewReddy No. 2'

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Location

Lat / long: 41.90955, -123.14392

Resource(M)

Primary: Chromium
Tertiary: Platinum, Palladium, Iridium, Ruthenium, Rhodium
Ore: Chromite
Gangue: Anthophyllite, Chlorite, Magnesite, Talc, Tremolite, Uvarovite
Orebody form: MASSIVE LENSES AND STREAKS, DISSEMINATED
Discovery year: 1915

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer
First production started: 1914
Last production ended: 1945

Geology

Host type:Dunite
Associated rock:Seiad Valley Complex
Associated type:Peridotite
Structure:3 Sets Of Complex Faults And Joints With Little Displacement
Tectonic:Klamath Mountains Accreted Terrane
Alteration processes:Dunite Is Partly Serpentinized

References

MRDSW025614
DEP10077720
Reference{Deposit:: 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.}{Deposit:: 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.}{Deposit:: 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.}{Deposit:: 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.}
ReporterPeterson, Jocelyn A.