Mines in Marin County, California
134Total
20Active
| Mine | Commodity | Type | Status | Source |
|---|---|---|---|---|
| San Rafael Rock Quarry | Crushed, Broken Stone NEC | Surface | Active | MSHA |
| Angel Island Dredge | Sand and Gravel, Construction | Underground | Producer | MRDS |
| Borello Quarry | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Dillon Beach Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Edwards | Mercury | Producer | MRDS | |
| Freeman And Sondgroth | Flagstone | Surface | Producer | MRDS |
| Gambonini | Mercury | Producer | MRDS | |
| Ghilotti Brothers Quarry | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Greenbrae | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Knutte | Manganese | Producer | MRDS | |
| L P Mcnear Brick Co | Clay | Surface | Producer | MRDS |
| Lafranchi Quarry | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Martinelli Ranch Quarry | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Martinoni Quarry | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Massa Hill | Gemstone | Producer | MRDS | |
| Mcnears Quarry & Mill | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Petaluma Mine | Mercury | Surface | Producer | MRDS |
| San Rafael Quarry | Stone | Surface | Producer | MRDS |
| Sausalito Point | Manganese | Producer | MRDS | |
| Sulsan Bay Dredge | Sand and Gravel, Construction | Offshore | Producer | MRDS |
| Bender | Tungsten | Occurrence | MRDS | |
| Bender Dell Bender | Tungsten | Occurrence | MRDS | |
| Black Mountain | Stone, Crushed/Broken | Occurrence | MRDS | |
| Black Mountain | Stone | Occurrence | MRDS | |
| Black Point | Sand and Gravel, Construction, Stone, Crushed/Broken | Occurrence | MRDS | |
| Black Point | Stone, Crushed/Broken | Surface | Past Producer | MRDS |
| Burdell Mountain | Stone, Crushed/Broken | Occurrence | MRDS | |
| Burdell Mountain | Stone, Crushed/Broken | Unknown | MRDS | |
| Chileno Valley | Mercury | Underground | Unknown | MRDS |
| Chileno Valley Stone | Stone, Crushed/Broken | Unknown | MRDS | |
| Claim | Mercury | Occurrence | MRDS | |
| Claim | Mercury | Occurrence | MRDS | |
| Claim | Mercury | Occurrence | MRDS | |
| Claim | Mercury | Occurrence | MRDS | |
| Claims | Mercury | Occurrence | MRDS | |
| Claims | Mercury | Occurrence | MRDS | |
| Claims | Mercury | Unknown | MRDS | |
| Edwards | Mercury | Surface-Underground | Prospect | MRDS |
| Escalle Quarry | Stone, Crushed/Broken | Occurrence | MRDS | |
| Escalle Quarry | Stone | Surface | Unknown | MRDS |
| Forbes Quarry | Stone, Crushed/Broken | Occurrence | MRDS | |
| Forbes Quarry | Stone | Surface | Unknown | MRDS |
| Fort Baker | Manganese, Gold | Occurrence | MRDS | |
| Fort Baker | Surface | Occurrence | MRDS | |
| Ft Baker | Stone | Surface | Unknown | MRDS |
| Ft. Baker | Stone, Crushed/Broken | Occurrence | MRDS | |
| Gambonini | Mercury | Surface-Underground | Past Producer | MRDS |
| Gravel Pit | Sand and Gravel, Construction | Surface | Prospect | MRDS |
| Gravel Pit | Sand and Gravel, Construction | Surface | Prospect | MRDS |
| Gravel Pit | Sand and Gravel, Construction | Surface | Prospect | MRDS |
| Gravel Pit | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Greenbrae Quarry | Stone, Crushed/Broken | Occurrence | MRDS | |
| Heaton's Flat | Gold | Placer | Past Producer | MRDS |
| Hoffman | Stone, Crushed/Broken | Occurrence | MRDS | |
| Hoffman | Stone, Crushed/Broken | Surface | Past Producer | MRDS |
| Hotaling | Stone | Occurrence | MRDS | |
| Hotaling | Stone, Crushed/Broken | Surface | Unknown | MRDS |
| Inverness | Tungsten | Occurrence | MRDS | |
| Inverness Ridge | Gold | Occurrence | MRDS | |
| Inverness Ridge | Gold | Placer | Unknown | MRDS |
| Knutte Deposit | Unknown | MRDS | ||
| L P Mcnear Brick Company | Clay | Past Producer | MRDS | |
| Lime Point | Gemstone | Occurrence | MRDS | |
| Maillard Ranch | Occurrence | MRDS | ||
| Maillard Ranch | Manganese | Occurrence | MRDS | |
| Maillard Ranch | Chromium | Occurrence | MRDS | |
| Marin | Stone | Occurrence | MRDS | |
| Marin Co.no.25 | Surface | Unknown | MRDS | |
| Massa Hill | Gemstone | Occurrence | MRDS | |
| Massa Hill | Gemstone | Surface | Past Producer | MRDS |
| Mazza Mazza Ranch | Prospect | MRDS | ||
| Mazza Prospect | Surface | Prospect | MRDS | |
| Mckinnan Gulch | Occurrence | MRDS | ||
| Mckinnan Gulch | Copper | Prospect | MRDS | |
| Mcnear Point Quarry | Stone, Crushed/Broken | Occurrence | MRDS | |
| Mount Tamalpais Cemetery Quarry | Stone, Dimension | Surface | Unknown | MRDS |
| Mount Tamalpais Cemetery Quarry. | Stone, Stone, Dimension, Stone, Crushed/Broken | Occurrence | MRDS | |
| Mt Tamalpais | Silver | Occurrence | MRDS | |
| Mt. Tamalpais | Silver | Occurrence | MRDS | |
| Negro Hill | Stone | Occurrence | MRDS | |
| Nicasio Rock Quarry | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Noren | Tungsten | Occurrence | MRDS | |
| Noren | Tungsten | Surface | Unknown | MRDS |
| Patent Brick Company | Clay | Past Producer | MRDS | |
| Petaluma - Pt. Reyes | Occurrence | MRDS | ||
| Petaluma-point Reyes Prospect | Occurrence | MRDS | ||
| Pike Gulch | Occurrence | MRDS | ||
| Pike Gulch | Copper | Underground | Prospect | MRDS |
| Point Bonita | Stone, Crushed/Broken | Surface | Prospect | MRDS |
| Point Bonita Fort Barry | Stone, Crushed/Broken | Occurrence | MRDS | |
| Quarry | Stone, Crushed/Broken | Occurrence | MRDS | |
| Quarry | Stone, Crushed/Broken | Surface | Unknown | MRDS |
| Quarrys | Sand and Gravel, Construction | Surface | Prospect | MRDS |
| Randall | Gold, Silver | Occurrence | MRDS | |
| Randall | Silver | Unknown | MRDS | |
| Remillard Brick Co. | Clay | Occurrence | MRDS | |
| Remillard Brick Company | Clay | Surface | Past Producer | MRDS |
| San Geronimo | Gold | Occurrence | MRDS | |
| San Geronimo | Gold | Underground | Prospect | MRDS |
| Sandpits | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Sandpits | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Sausalito Point Prospect | Occurrence | MRDS | ||
| Tiburon Ridge Flagstone | Stone, Stone, Dimension | Occurrence | MRDS | |
| Tiburon Ridge Flagstone | Stone, Crushed/Broken | Surface | Unknown | MRDS |
| Tomales Point | Gold | Occurrence | MRDS | |
| Tomales Point | Gold | Placer | Unknown | MRDS |
| Union Gulch | Copper | Past Producer | MRDS | |
| Union Gulch | Copper | Unknown | MRDS | |
| Unknown | Stone | Occurrence | MRDS | |
| Unknown | Stone, Crushed/Broken | Occurrence | MRDS | |
| Unknown | Stone | Occurrence | MRDS | |
| Unknown | Stone, Crushed/Broken | Occurrence | MRDS | |
| Unknown | Stone, Crushed/Broken, Limestone, General | Occurrence | MRDS | |
| Unknown | Mercury | Occurrence | MRDS | |
| Unknown | Stone, Crushed/Broken | Occurrence | MRDS | |
| Unnamed Location | Stone, Crushed/Broken | Occurrence | MRDS | |
| Unnamed Location | Mercury | Occurrence | MRDS | |
| Unnamed Location | Stone, Crushed/Broken | Occurrence | MRDS | |
| Unnamed Location | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Unnamed Location | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Unnamed Location | Stone | Occurrence | MRDS | |
| Unnamed Location | Copper | Occurrence | MRDS | |
| Unnamed Location | Gemstone | Occurrence | MRDS | |
| Unnamed Location | Manganese | Occurrence | MRDS | |
| Unnamed Location | Stone | Occurrence | MRDS | |
| Unnamed Location | Gemstone | Occurrence | MRDS | |
| Unnamed Location | Stone, Crushed/Broken | Occurrence | MRDS | |
| Unnamed Location | Gemstone | Occurrence | MRDS | |
| Unnamed Location | Stone, Crushed/Broken | Surface | Unknown | MRDS |
| Unnamed Location | Stone, Crushed/Broken | Surface | Unknown | MRDS |
| Unnamed Location | Mercury | Occurrence | MRDS | |
| Unnamed Location | Stone | Occurrence | MRDS | |
| Unnamed Quarry | Limestone, General | Surface | Past Producer | MRDS |
| Unnamed Quarry | Stone, Crushed/Broken | Surface | Past Producer | MRDS |