| Location: | Marin County, California, United States, North America |
| Lat / long: | 37.97156, -122.73245 |
| dep_id: | 10030803 |
| mrds_id: | M009226 |
| Commodity type: | metallic |
| Major mineral: | Copper |
| Minor mineral: | Silver, Gold |
| Operation type: | Unknown |
| Production size: | Small ammount of material produced |
| Development status: | Past Producer |
| ore: | Chalcopyrite, Pyrite |
| gangue: | Quartz |
| work_type: | Underground |
| ore_ctrl: | Fractures |
| Reporter: | Gere, W., Fraticelli, L. A. (Albers, J.) |
| hrock_type: | Sandstone |
| disc_yr: | 1863 |
| prod_yrs: | 1863 , 1918 |
| References: |
|