| Location: | San Mateo County, California, United States, North America |
| Lat / long: | 37.44574, -122.25048 |
| dep_id: | 10040863 |
| mrds_id: | M055738 |
| Commodity type: | metallic |
| Major mineral: | Mercury |
| Operation type: | Unknown |
| Production size: | Small ammount of material produced |
| Development status: | Past Producer |
| ore: | Cinnabar, Mercury, Metacinnabar |
| orebody_fm: | IRREGULAR |
| work_type: | Surface |
| alteration: | Silica Carbonate Alteration Of Serpentine |
| conc_proc: | Hydrothermal Solutions |
| Reporter: | Peterson, Jocelyn A. |
| hrock_unit: | Franciscan Complex |
| hrock_type: | Serpentinite |
| Year first produced: | 1955 |
| References: |
- Deposit:: HOLMES, G. W., JR., 1965, MERCURY IN CALIFORNIA: IN USBM IC 8252
- Deposit:: DAVIS, F.F., 1955, MINES AND MINERAL RESOURCES OF SAN MATEO COUNTY, CALIF.: CJMG, V. 51, P. 413-414
- Production:: USBM DATA
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