Mines in Alameda County, California
298Total
98Active
Alameda County, California has 298 mine and mineral deposit locations documented in federal records from the USGS and MSHA. 98 of these are currently active mining operations. The most commonly recorded commodity is sand and gravel, construction, with 84 sites. The table below lists all recorded mines in the county with links to individual site details.
All Mines in Alameda County
| Mine | Commodity | Type | Status | Source |
|---|---|---|---|---|
| Desilva Gates Aggregates | Construction Sand and Gravel | Surface | Active | MSHA |
| Eliot Plant | Construction Sand and Gravel | Surface | Active | MSHA |
| Pleasanton Plant | Construction Sand and Gravel | Surface | Active | MSHA |
| Sheridan Quarry | Sand, Industrial NEC | Surface | Active | MSHA |
| Sunol Aggregates | Construction Sand and Gravel | Surface | Active | MSHA |
| Tidewater Oakland Marine Aggregate | Construction Sand and Gravel | Surface | Active | MSHA |
| Ada Sand and Gravel Pit No 2 | Sand and Gravel, Construction | Surface | Producer | MRDS |
| American Salt Co. | Halite | Producer | MRDS | |
| American Salt Co. | Salt | Surface | Producer | MRDS |
| Bartlett | Manganese | Producer | MRDS | |
| Bellini Quarry | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Beraudiere | Manganese | Producer | MRDS | |
| Bezley Quarry | Silver | Surface | Producer | MRDS |
| Black Jack | Manganese | Producer | MRDS | |
| Black Jack Mine | Manganese | Producer | MRDS | |
| Buena Vista Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Calaveras Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Camp 9 Merchant, Cummings | Manganese | Producer | MRDS | |
| Cedar Mountain | Magnesite | Producer | MRDS | |
| Central Maintenance Heavy Equip Shp | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Chabot Quarry | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Chaney Winship-Doak, Winship-Donovan | Manganese | Producer | MRDS | |
| Clark Claim Vernon | Chromium | Producer | MRDS | |
| Corral Hollow | Manganese | Producer | MRDS | |
| Dewhirst | Manganese | Producer | MRDS | |
| Douglas Mine | Chromium | Producer | MRDS | |
| Draghi | Chromium | Producer | MRDS | |
| Dragi | Manganese | Producer | MRDS | |
| Dumbarton Mill | Stone, Crushed/Broken | Producer | MRDS | |
| Durham Pit | Stone | Surface | Producer | MRDS |
| East Bay Excavation Co | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Eliot Pit & Mill | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Ellis Ranch Deposit | Manganese | Producer | MRDS | |
| Foscilina | Manganese | Producer | MRDS | |
| Gallagher Deposit | Manganese | Producer | MRDS | |
| Graves Claims | Manganese | Producer | MRDS | |
| H.j. Kaiser Co. | Sand and Gravel, Construction | Surface | Producer | MRDS |
| H.j. Kaiser Co. Radum Plant | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Hagemann Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Interpace | Fire Clay (Refractory) | Processing Plant | Producer | MRDS |
| Ivaldi Bros Quarry | Sand and Gravel, Construction | Surface | Producer | MRDS |
| John D. Hoff Asbestos Co | Asbestos | Producer | MRDS | |
| Jones | Chromium | Producer | MRDS | |
| Kaiser Industries Corp | Clay | Surface | Producer | MRDS |
| Kaiser Sand & Gravel | Sand and Gravel, Construction | Processing Plant | Producer | MRDS |
| Kaiser Sand & Gravel | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Ki-Lite Pit & Mill | Clay | Surface | Producer | MRDS |
| Kraftile Clay Pit | Clay | Surface | Producer | MRDS |
| La Vista Quarry and Mill | Stone | Producer | MRDS | |
| La Vista Quarry and Mill | Stone | Surface | Producer | MRDS |
| Leona Quarry | Stone | Surface | Producer | MRDS |
| Leslie Salt Co | Salt | Processing Plant | Producer | MRDS |
| Livermore Deposit | Manganese | Producer | MRDS | |
| Livermore Pit and Mill | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Man Ridge | Manganese | Producer | MRDS | |
| Menden | Chromium | Producer | MRDS | |
| Mendenhall Mine | Manganese | Producer | MRDS | |
| Mendenhall Mine | Manganese | Producer | MRDS | |
| Mission Lime Marl Deposit | Limestone, General | Producer | MRDS | |
| Mission Pass Quarry | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Moller Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Morton Salt Co. | Halite | Producer | MRDS | |
| Nelson Bailey Mine, Newhall | Manganese | Producer | MRDS | |
| Newark Evaporation Ponds | Salt | Surface | Producer | MRDS |
| Newman | Producer | MRDS | ||
| Newman Cedar Mtn. Claim Or Mendenhall Mine | Chromium | Producer | MRDS | |
| Newman Estacia Property | Manganese | Producer | MRDS | |
| Niles Canyon Road Pit | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Niles Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Niles Pit & Mill | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Niles Pit and Mill | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Niles Quarry | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Niles Sand and Gravel Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Oakland Dredge Concrete | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Oliver Bros. Salt Co. | Halite | Producer | MRDS | |
| Oliver Salt | Salt | Surface | Producer | MRDS |
| Pac. Coast Agg. Eliot No. 104 | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Patterson Pass Road Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Pleasanton Pit & Mill | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Pleasonton Deposit | Limestone, General | Producer | MRDS | |
| Q-1, Q-76 Pits | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Quarry | Stone | Producer | MRDS | |
| Quarry Products-Niles | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Rhodes & Jamieson Ltd. | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Root | Manganese | Producer | MRDS | |
| San Leandro Quarry and Mill | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Sanderling Dredge | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Sands Fremont Quarry | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Santa Clara Sand and Gravel Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Section 14 | Manganese | Producer | MRDS | |
| Silva Bros. | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Standard Magnesite Co | Manganese | Producer | MRDS | |
| Sunol Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Sunol Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Sunol Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Taylor and Pitcher | Manganese | Producer | MRDS | |
| Vasco Road Pit | Silver | Surface | Producer | MRDS |
| Winegar Deposit | Manganese | Producer | MRDS | |
| Alameda Co. #39 | Surface | Prospect | MRDS | |
| Alma | Sulfur-Pyrite, Copper, Silver | Occurrence | MRDS | |
| Alma | Copper | Past Producer | MRDS | |
| Alum | Sulfur-Pyrite, Copper, Silver | Past Producer | MRDS | |
| Alum | Sulfur | Underground | Past Producer | MRDS |
| Banta S Camp Deposit | Magnesite | Occurrence | MRDS | |
| Banta's Camp Deposit | Magnesite | Occurrence | MRDS | |
| Bartlett | Manganese | Past Producer | MRDS | |
| Bartlett Mine | Surface | Past Producer | MRDS | |
| Bell Sand and Gravel | Sand and Gravel, Construction | Past Producer | MRDS | |
| Bell Sand and Gravel | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Beraudiere Mine | Underground | Past Producer | MRDS | |
| Berkeley Hills | Sulfur-Pyrite, Copper | Past Producer | MRDS | |
| Berkeley Hills | Lead | Unknown | MRDS | |
| Black Jack | Underground | Past Producer | MRDS | |
| Buckhorn | Occurrence | MRDS | ||
| Buckhorn Claim | Surface | Past Producer | MRDS | |
| Buranis Bros. & Co. | Sand and Gravel, Construction | Past Producer | MRDS | |
| Buranis Bros. & Co. | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Camp 9 | Underground | Past Producer | MRDS | |
| Cedar Claim | Chromium | Occurrence | MRDS | |
| Cedar Claim | Chromium | Occurrence | MRDS | |
| Chaney Lease | Surface-Underground | Past Producer | MRDS | |
| Clark Claim | Underground | Past Producer | MRDS | |
| Clay Pit | Clay | Past Producer | MRDS | |
| Collins Deposit | Limestone, General | Occurrence | MRDS | |
| Collins Deposit | Nitrogen-Nitrates | Occurrence | MRDS | |
| Corral Hollow Mine | Surface | Past Producer | MRDS | |
| Cragmont Mine | Mercury | Unknown | MRDS | |
| Crosby Prospects | Occurrence | MRDS | ||
| Crosby Prospects | Surface | Prospect | MRDS | |
| Cummings | Prospect | MRDS | ||
| Dqa Dumbarton Quarry | Crushed, Broken Stone NEC | Surface | Abandoned | MSHA |
| Dqa La Vista Quarry | Crushed, Broken Stone NEC | Surface | Abandoned | MSHA |
| Dewhirst Mine | Surface | Past Producer | MRDS | |
| Dragi | Magnesite | Processing Plant | Prospect | MRDS |
| Dumbarton Quarry | Stone | Past Producer | MRDS | |
| Dumbarton Quarry | Stone | Surface | Past Producer | MRDS |
| Dyer Prospect | Occurrence | MRDS | ||
| Dyer Prospect | Occurrence | MRDS | ||
| Ellis Ranch Prospect | Surface | Prospect | MRDS | |
| Foscilina | Manganese | Prospect | MRDS | |
| Freitas Prospect | Occurrence | MRDS | ||
| Freitas Prospect | Surface | Prospect | MRDS | |
| Friggel Prospect | Occurrence | MRDS | ||
| Friggel Prospect | Manganese | Prospect | MRDS | |
| Gallagher Deposit | Underground | Past Producer | MRDS | |
| Gravel Pit | Sand and Gravel, Construction | Past Producer | MRDS | |
| Gravel Pit | Sand and Gravel, Construction | Past Producer | MRDS | |
| Gravel Pit | Sand and Gravel, Construction | Past Producer | MRDS | |
| Gravel Pit | Sand and Gravel, Construction | Past Producer | MRDS | |
| Gravel Pit | Sand and Gravel, Construction | Past Producer | MRDS | |
| Gravel Pit | Sand and Gravel, Construction | Past Producer | MRDS | |
| Gravel Pit | Sand and Gravel, Construction | Past Producer | MRDS | |
| Gravel Pit | Sand and Gravel, Construction | Past Producer | MRDS | |
| Gravel Pit | Sand and Gravel, Construction | Past Producer | MRDS | |
| Gravel Pit | Sand and Gravel, Construction | Past Producer | MRDS | |
| Gravel Pit | Sand and Gravel, Construction | Past Producer | MRDS | |
| Gravel Pit | Sand and Gravel, Construction | Past Producer | MRDS | |
| Gravel Pit | Sand and Gravel, Construction | Past Producer | MRDS | |
| Gravel Pit | Sand and Gravel, Construction | Past Producer | MRDS | |
| Gravel Pit | Sand and Gravel, Construction | Past Producer | MRDS | |
| Gravel Pit | Sand and Gravel, Construction | Past Producer | MRDS | |
| Gravel Pit | Sand and Gravel, Construction | Past Producer | MRDS | |
| Gravel Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Gravel Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Gravel Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Gravel Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Gravel Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Gravel Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Gravel Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Gravel Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Gravel Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Gravel Pits | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Graves Claims | Past Producer | MRDS | ||
| H.j. Kaiser Co. | Sand and Gravel, Construction | Past Producer | MRDS | |
| H.j. Kaiser Co. Radum Plant | Sand and Gravel, Construction | Past Producer | MRDS | |
| Hayes Ranch Deposit | Magnesite | Occurrence | MRDS | |
| Hayes Ranch Deposit | Magnesite | Prospect | MRDS | |
| Hearst | Manganese | Occurrence | MRDS | |
| Hearst Mine | Prospect | MRDS | ||
| Homestead Deposit | Manganese | Occurrence | MRDS | |
| Ideal Cement Co. | Limestone, Dimension | Occurrence | MRDS | |
| Inland Aggregates | Sand and Gravel, Construction | Past Producer | MRDS | |
| Inland Aggregates | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Interlocking Rood Tile Co. | Clay | Surface | Past Producer | MRDS |
| Isler Mountain | Manganese | Occurrence | MRDS | |
| John D. Hoff Asbestos Co. | Asbestos | Underground | Prospect | MRDS |
| Jones | Surface | Prospect | MRDS | |
| Jumbo Prospect | Occurrence | MRDS | ||
| Jumbo Prospect | Surface | Past Producer | MRDS | |
| Kelly | Occurrence | MRDS | ||
| Kelly Mine | Surface-Underground | Prospect | MRDS | |
| Ki-Lite Mine and Mill | Clay | Past Producer | MRDS | |
| King Claim | Magnesite | Occurrence | MRDS | |
| King Claim | Magnesite | Prospect | MRDS | |
| Kit-Lite Mine and Mill | Clay | Surface | Past Producer | MRDS |
| Lake Anza Mine | Mercury | Unknown | MRDS | |
| Leona | Sulfur | Underground | Past Producer | MRDS |
| Leona Heights | Copper | Past Producer | MRDS | |
| Livermore Deposit | Manganese | Occurrence | MRDS | |
| Livermore Pit and Mill | Sand and Gravel, Construction | Past Producer | MRDS | |
| Man Ridge Mine | Surface-Underground | Past Producer | MRDS | |
| Manzanita Grove | Chromium | Occurrence | MRDS | |
| Manzanita Grove | Chromium | Prospect | MRDS | |
| McLaughlin Lithograph-Stone Quarry | Limestone, General | Occurrence | MRDS | |
| McLaughlinlithograph-Stonequarry | Limestone, Dimension | Occurrence | MRDS | |
| Menden | Past Producer | MRDS | ||
| Mendenhall Mine | Past Producer | MRDS | ||
| Mendenhall No. 1 | Surface-Underground | Past Producer | MRDS | |
| Mendenhall No. 1 Mine | Chromium | Past Producer | MRDS | |
| Mission Lime Marl Deposit | Calcium | Surface | Past Producer | MRDS |
| Mt. Hamilton Deposit | Manganese | Occurrence | MRDS | |
| Name Unknown | Occurrence | MRDS | ||
| Nelson Lease | Surface | Past Producer | MRDS | |
| Newman Mine | Chromium | Past Producer | MRDS | |
| Newman Mine | Surface-Underground | Past Producer | MRDS | |
| Oakland Sand Co | Construction Sand and Gravel | Facility | Abandoned | MSHA |
| Overacker Mine | Occurrence | MRDS | ||
| Pac. Coast Agg. Eliot No. 104 | Sand and Gravel, Construction | Past Producer | MRDS | |
| Picard | Sand and Gravel, Construction | Past Producer | MRDS | |
| Picard | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Pine Grove | Chromium | Occurrence | MRDS | |
| Pine Grove | Chromium | Occurrence | MRDS | |
| Plant 7 | Crushed, Broken Stone NEC | Surface | Abandoned | MSHA |
| Pleasanton Deposit | Limestone, General | Surface | Past Producer | MRDS |
| Portable #1 | Sand, Common | Surface | Abandoned | MSHA |
| Quarry | Sand and Gravel, Construction | Past Producer | MRDS | |
| Quarry | Sand and Gravel, Construction | Past Producer | MRDS | |
| Quarry | Sand and Gravel, Construction | Past Producer | MRDS | |
| Quarry | Sand and Gravel, Construction | Past Producer | MRDS | |
| Quarry | Sand and Gravel, Construction | Past Producer | MRDS | |
| Quarry | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Quarry | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Quarry | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Quarry | Stone | Surface | Past Producer | MRDS |
| Radum | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Radum Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Radum Pit and Mill | Sand and Gravel, Construction | Past Producer | MRDS | |
| Radum Pit and Mill | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Reay Deposit | Occurrence | MRDS | ||
| Reay Deposit | Manganese | Occurrence | MRDS | |
| Reay Deposit | Surface | Past Producer | MRDS | |
| Rhodes & Jamieson Centerville Plant | Sand and Gravel, Construction | Past Producer | MRDS | |
| Rhodes & Jamieson Ltd. | Sand and Gravel, Construction | Past Producer | MRDS | |
| Root Deposit | Past Producer | MRDS | ||
| Ryan Ranch | Clay | Past Producer | MRDS | |
| Ryan Ranch | Clay | Surface | Past Producer | MRDS |
| Section 14 Mine | Underground | Past Producer | MRDS | |
| Silva Bros. | Sand and Gravel, Construction | Past Producer | MRDS | |
| Standard Magnesite | Manganese | Surface | Past Producer | MRDS |
| Taylor and Pitcher | Surface-Underground | Past Producer | MRDS | |
| Telsa Sand & Clay Co | Clay | Surface | Past Producer | MRDS |
| Tesla Sand and Clay Co. | Clay, Sand and Gravel, Construction | Past Producer | MRDS | |
| Unidentified Prospects | Chromium | Occurrence | MRDS | |
| Unknown | Stone | Occurrence | MRDS | |
| Unknown | Stone | Occurrence | MRDS | |
| Unknown | Mercury | Occurrence | MRDS | |
| Unknown | Quartz | Prospect | MRDS | |
| Unnamed Location | Stone, Crushed/Broken | Occurrence | MRDS | |
| Unnamed Location | Stone, Crushed/Broken | Occurrence | MRDS | |
| Unnamed Location | Clay | Occurrence | MRDS | |
| Unnamed Location | Lead | Occurrence | MRDS | |
| Unnamed Location | Stone | Occurrence | MRDS | |
| Unnamed Location | Clay | Occurrence | MRDS | |
| Unnamed Location | Manganese | Occurrence | MRDS | |
| Unnamed Location | Clay | Occurrence | MRDS | |
| Unnamed Location | Stone | Occurrence | MRDS | |
| Unnamed Location | Stone | Occurrence | MRDS | |
| Unnamed Location | Silica | Prospect | MRDS | |
| Unnamed Location | Clay | Occurrence | MRDS | |
| Unnamed Location | Sulfur | Occurrence | MRDS | |
| Unnamed Location | Gemstone | Occurrence | MRDS | |
| Unnamed Location | Chromium | Occurrence | MRDS | |
| Unnamed Location | Stone | Occurrence | MRDS | |
| Unnamed Location | Stone | Occurrence | MRDS | |
| Unnamed Location | Magnesite | Occurrence | MRDS | |
| Unnamed Location | Clay | Occurrence | MRDS | |
| Unnamed Location | Asbestos | Occurrence | MRDS | |
| Unnamed Location | Mercury | Occurrence | MRDS | |
| Unnamed Location | Stone | Occurrence | MRDS | |
| Unnamed Location | Gemstone | Occurrence | MRDS | |
| Unnamed Location | Stone, Crushed/Broken | Occurrence | MRDS | |
| Unnamed Location | Stone | Occurrence | MRDS | |
| Unnamed Location | Manganese | Occurrence | MRDS | |
| Unnamed Locations | Chromium | Occurrence | MRDS | |
| Winegar | Underground | Prospect | MRDS | |
| Winship Properties | Prospect | MRDS | ||
| Winship Properties | Manganese | Occurrence | MRDS | |
| Winship Properties | Magnesite | Occurrence | MRDS | |
| Winship Properties | Manganese | Occurrence | MRDS | |
| Winship Properties | Manganese | Prospect | MRDS | |
| Winship Properties | Manganese | Prospect | MRDS | |
| Winship Properties | Manganese | Prospect | MRDS | |
| Winship Properties | Manganese | Occurrence | MRDS | |
| Winship Properties | Manganese | Prospect | MRDS | |
| Winship Properties | Manganese | Occurrence | MRDS | |
| Winship Properties | Magnesite | Prospect | MRDS | |
| Winship Properties | Manganese | Occurrence | MRDS | |
| Wolfe and Aitkin Lease | Occurrence | MRDS |