California · San Luis Obispo County
Occurrence
Questa Prospect
San Luis Obispo County, California, United States
Chromium
Platinum
Palladium
Iridium
Ruthenium
Rhodium
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USGS source ↗
Commodities
Primary
Chromium
Tertiary
Platinum, Palladium, Iridium, Ruthenium, Rhodium
Commodity type
M
Deposit
Model
15: Podiform chromite (minor)
Deposit size
N
Orebody form
UNKNOWN
Ore control
Magmatic Segregation
Materials
Ore minerals
Chromite
Gangue
Olivine
Geology
Host rock
Dunite
Associated rock
Peridotite · Coast Range Ophiolite
Tectonic setting
California Coast Ranges
Economic & production
Development status
Occurrence
Identification
Deposit ID
10048475
MRDS ID
MP00062
Region
NA
Data score
B
Coordinates
35.36497, -120.66125
References
CARLSON, C.A., AND OTHERS, 1985, ANALYSES FOR PLATINUM-GROUP ELEMENTS IN SAMPLES FROM PODIFORM CHROMITE DEPOSITS, CALIFORNIA AND OREGON: U.S. GEOLOGICAL SURVYE OPEN-FILE REPORT 85-442, 14 P