Mine detail: Brandon

Previously called ''

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Location

Lat / long: 38.56573, -120.93519

Resource(M)

Primary: Chromium
Tertiary: Platinum, Palladium, Iridium, Ruthenium, Rhodium
Ore: Chromite
Orebody form: PODS

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer
First production started: 1918
Last production ended: 1918

Geology

Host type:Dunite
Associated rock:Bear Mountain Ophiolite
Associated type:Peridotite
Structure:Shearing
Tectonic:Sierra Foothills Accreted Terrane
Alteration processes:Ultramafic Rocks Are Serpentinized

References

MRDSM007350
DEP10029666
Reference{Deposit:: CATER, F.W., JR., RYNEARSON, G.A., AND DOW, D.H., 1951, GEOLOGICAL INVESTIGATIONS OF CHROMITE IN CALIFORNIA: CALIFORNIA DIVISION OF MINES BULLETIN 134, PT. 3, CH. 4, P. 122-123, 164, PL. 8.}{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:: CLARK, W.B., AND CARLSON, D.W., 1956, MINES AND MINERAL RESOURCES OF EL DORADO COUNTY, CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY V. 52, NO. 4, P. 465.}{Deposit:: LINDGREN, WALDEMAR, 1894, SACRAMENTO FOLIO, CALIFORNIA: U.S. GEOLOGICAL SURVEY GEOLOGIC ATLAS OF THE UNITED STATES, FOLIO 5, SCALE 1:125,000.}{Deposit:: BRADLEY, W.W., HUGUENIN, EMILE, LOGAN, C.A., TUCKER, W.B., AND WARING, C.A., 1918, MANGANESE AND CHROMIUM IN CALIFORNIA: CALIFORNIA STATE MINING BUREAU BULLETIN 76, P. 132.}
ReporterGere, W., Peterson, Jocelyn A.