Mine detail: Grey Claim

Previously called ''

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Location

Lat / long: 38.8096, -122.37162

Resource(M)

Primary: Chromium
Tertiary: Ruthenium, Platinum, Palladium, Iridium, Rhodium
Ore: Chromite
Gangue: Olivine
Orebody form: CLOSELY PACKED LENSES

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer

Geology

Host type:Dunite
Associated rock:Coast Range Ophiolite
Associated type:Peridotite
Structure:Shear Zone
Tectonic:California Coast Ranges

References

MRDSM010775
DEP10031651
Reference{Deposit:: 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.}{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:: 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.}
ReporterGere, W., Peterson, Jocelyn A.