| Location: | Alameda County, California, United States, North America |
| Lat / long: | 37.89212, -122.26355 |
| dep_id: | 10040105 |
| mrds_id: | M054740 |
| Commodity type: | metallic |
| Trace mineral: | Mercury |
| Operation type: | Unknown |
| Production size: | No production occurred |
| Development status: | Occurrence |
| ore: | Cinnabar |
| alteration: | Silicification |
| Reporter: | Peterson, Jocelyn A. |
| References: |
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