| Location: | Santa Clara County, California, United States, North America |
| Lat / long: | 37.33436, -121.48685 |
| dep_id: | 10111042 |
| mrds_id: | W025101 |
| Commodity type: | metallic |
| Major mineral: | Manganese |
| Operation type: | Unknown |
| Production size: | Small ammount of material produced |
| Development status: | Producer |
| ore: | Bementite, Rhodochrosite |
| Reporter: | Killman, K.; Albers, J. |
| hrock_type: | Chert |
| References: |
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