Graphite Mines in California
54Total Sites
6Active
Graphite Mining in California
California has 54 graphite-related mine and mineral deposit locations recorded in federal databases. Of these, 6 are currently active operations. Data comes from the USGS Mineral Resources Data System and MSHA Mine Safety and Health Administration records.
By County
Graphite Mines
| Mine | County | Type | Status |
|---|---|---|---|
| Capital Rock Llc | Placer | Surface | Active |
| Eureka Plumbago | Tuolumne | Producer | |
| Morgan | Tuolumne | Producer | |
| Skinner Ranch | Sonoma | Producer | |
| Unnamed | Monterey | Producer | |
| Unnamed Location | Humboldt | Producer | |
| American Graphite Co. | Los Angeles | Surface-Underground | Prospect |
| Barrett Canyon | San Bernardino | Surface | Past Producer |
| Big Bear | San Bernardino | Surface | Prospect |
| Big Tujunga Canyon Deposit | Los Angeles | Occurrence | |
| Black Chance Claims | Mono | Occurrence | |
| Black Diamond | Los Angeles | Surface | Past Producer |
| Black Jack | Siskiyou | Occurrence | |
| Black Jack Lode | Calaveras | Occurrence | |
| Black Jack Lode | Calaveras | Occurrence | |
| Black Lady Nos. 1 and 2 | Inyo | Surface | Past Producer |
| Black Lode | Los Angeles | Occurrence | |
| Black Magic Graphite | Siskiyou | Occurrence | |
| Bullard Prospect | San Diego | Occurrence | |
| California Graphite Co. | Los Angeles | Surface | Past Producer |
| Drum Valley | Tulare | Surface | Unknown |
| E D Kean Ranch Deposit | Fresno | Occurrence | |
| Eureka Plumbago | Tuolumne | Underground | Prospect |
| Eva Canyon | Los Angeles | Occurrence | |
| Gilman Deposit | Los Angeles | Occurrence | |
| Gold King No 3 | Calaveras | Occurrence | |
| Graphite Prospect | San Bernardino | Surface | Prospect |
| Hannah No. 1 | Mono | Surface-Underground | Prospect |
| Helman | Los Angeles | Occurrence | |
| Hills Armstrong Graphite Deposit | Placer | Underground | Prospect |
| Jamestown No. 2 | Los Angeles | Occurrence | |
| John L McNabb | Mendocino | Occurrence | |
| John L. McNabb | Mendocino | Occurrence | |
| Lucky Chase | Los Angeles | Occurrence | |
| Mary Jane Deposit | San Diego | Underground | Prospect |
| Morgan | Tuolumne | Surface-Underground | Past Producer |
| Princess Graphite | San Bernardino | Surface-Underground | Prospect |
| Prospects | Mendocino | Occurrence | |
| Ruth Ranch Deposit | Fresno | Occurrence | |
| Seyer Deposit | San Diego | Prospect | |
| Skinner Ranch | Sonoma | Surface | Past Producer |
| St. Francis Graphite | San Bernardino | Surface | Prospect |
| Stuart Graphite Prospect | Imperial | Occurrence | |
| Unknown | Humboldt | Occurrence | |
| Unnamed Location | Fresno | Occurrence | |
| Unnamed Location | Fresno | Occurrence | |
| Unnamed Location | Humboldt | Surface-Underground | Prospect |
| Unnamed Prospect | Siskiyou | Occurrence | |
| Unnamed Prospect | San Diego | Occurrence | |
| Unnamed Prospects | Siskiyou | Occurrence |