| Location: | Sonoma County, California, United States, North America |
| Lat / long: | 38.6196, -123.13164 |
| dep_id: | 10043532 |
| mrds_id: | M100312 |
| Commodity type: | metallic |
| Major mineral: | Chromium |
| Trace mineral: | Platinum, Palladium, Iridium, Ruthenium, Rhodium |
| Operation type: | Unknown |
| Production size: | Small ammount of material produced |
| Development status: | Past Producer |
| ore: | Chromite |
| gangue: | Olivine, Serpentine |
| orebody_fm: | SMALL HIGH-GRADE LENSES, DISSEMINATED |
| model: | 15: Podiform chromite (minor) |
| alteration: | Peridotite Is Serpentinized |
| conc_proc: | Magmatic Segregation |
| ore_ctrl: | Magmatic Segregation |
| Reporter: | Oster, Karel L. (Albers, John P.), Peterson, Jocelyn A. |
| hrock_type: | Dunite |
| arock_unit: | Coast Range Ophiolite |
| arock_type: | Peridotite |
| Structure: | Local Shearing |
| tectonic: | California Coast Ranges |
| Year first produced: | 1916 |
| yr_lst_prd: | 1944 |
| disc_yr: | 1915 |
| References: |
- 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. 26-27, 36.
- 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.
- Production:: DOW AND THAYER, 1946
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