Lat / long: | 41.92676, -123.98227 |
Primary: | Chromium |
Tertiary: | Platinum, Palladium, Iridium, Ruthenium, Rhodium |
Ore: | Chromite |
Gangue: | Olivine |
Orebody form: | MASSIVE AND DISSEMINATED, CIGAR-SHAPED LENS |
Discovery year: | 1941 |
Operation type: | Unknown |
Production size: | Small |
Development status: | Past Producer |
First production started: | 1942 |
Last production ended: | 1956 |
Host type: | Dunite |
Associated rock: | Josephine Ophiolite |
Associated type: | Harzburgite |
Structure: | A Fault, Striking N45w And Dipping 64sw, Cuts Ore At Depth Of 8 M |
Tectonic: | Klamath Mountains Accreted Terrane |
Alteration processes: | Ultramafic Rocks Intensely Serpentinized In Shear Zones |
MRDS | M100588 |
DEP | 10103913 |
Reference | {Deposit:: STINSON, M.C., 1975, CALIFORNIA DIVISION OF MINES AND GEOLOGY MINERAL PROPERTY REPORT, UNPUB.}{Deposit:: 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. 36-38.}{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:: *RIEN, J.C., 1952, MINES AND MINERAL RESOURCES OF DEL NORTE COUNTY, CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 48, NO. 4, P. 273-289.}{Production:: STINSON, 1975} |
Reporter | Oster, Karel L. (Albers, John P.), Peterson, Jocelyn A. |