Volcanic Materials Mines
366Total Sites
61Active
Top States
| State | Sites |
|---|---|
| Arizona | 181 |
| Utah | 49 |
| New Mexico | 39 |
| Oregon | 33 |
| Idaho | 22 |
| California | 17 |
| Colorado | 9 |
| Nevada | 7 |
| Washington | 5 |
| Puerto Rico | 3 |
| Montana | 1 |
Notable Sites
| Mine | State | County | Status |
|---|---|---|---|
| Antelope Flat Community Pit | Oregon | Malheur | Producer |
| Azomite Welded Tuff Deposit East No. 5 | Utah | Juab | Producer |
| Black Bear Pit | New Mexico | Dona Ana | Producer |
| Black Rock Volcano | Utah | Millard | Producer |
| Brubaker Beige Rock Quarry | California | San Bernardino | Producer |
| Calico Rock Plant | California | San Bernardino | Producer |
| Cantera Hipodromo's Volcanic Sand Working | Puerto Rico | Producer | |
| Cerrito Pelado Mine | New Mexico | Santa Fe | Producer |
| Cinder Deposit | Idaho | Minidoka | Producer |
| Cinder Pit #27021 Utah Dept. Of Highways | Utah | Washington | Producer |
| Coburn Creek Community Pit | Oregon | Malheur | Producer |
| Cocoa Pit | Oregon | Deschutes | Producer |
| Cove Fort | Utah | Beaver | Producer |
| Darling Cinder Pit | Arizona | Coconino | Producer |
| Desert Sun Pit | Oregon | Deschutes | Producer |
| Dog Lake Stone | Washington | Yakima | Producer |
| Donna Mountain Mine | New Mexico | Dona Ana | Producer |
| G. Heden #1,2,3 | Oregon | Deschutes | Producer |
| G. Heden #4 | Oregon | Deschutes | Producer |
| G. Heden #5,6,7,8 | Oregon | Deschutes | Producer |
| G. Heden #9,10,11 | Oregon | Deschutes | Producer |
| Green Stone Pit | Oregon | Deschutes | Producer |
| Jack Rabbit Flat Quarry | California | Shasta | Producer |
| Jackson Summit #1 Community Pit | Oregon | Malheur | Producer |
| La Cienga Mine | New Mexico | Santa Fe | Producer |
| Lasa, Jkl, Jklr Claims | Oregon | Malheur | Producer |
| Leland Freiberghaus Cinder Pit | Idaho | Canyon | Producer |
| Mint Green Quarry | California | San Bernardino | Producer |
| Name Unknown Scoria Deposit | New Mexico | Dona Ana | Producer |
| Name Unknown Scoria Deposit | New Mexico | Dona Ana | Producer |
| Name Unknown Scoria Deposit | New Mexico | Bernalillo | Producer |
| Name Unknown Scoria Deposit | New Mexico | Socorro | Producer |
| Name Unknown Scoria Deposit | New Mexico | Dona Ana | Producer |
| Potrillo Volcanic Field | New Mexico | Dona Ana | Producer |
| Red Butte Pit | New Mexico | Catron | Producer |
| Rockhouse Reservoir Community Pit | Oregon | Malheur | Producer |
| Rol Rop Group | Oregon | Malheur | Producer |
| Rome North | Oregon | Malheur | Producer |
| Rome South | Oregon | Malheur | Producer |
| Santo Tomas Mine | New Mexico | Dona Ana | Producer |
| Santo Tomas Scoria Deposit | New Mexico | Dona Ana | Producer |
| Sheep Pit | Arizona | Coconino | Producer |
| T.o. No. 1 Mine | New Mexico | Colfax | Producer |
| Tabernacle Hill | Utah | Millard | Producer |
| Twin Mountain Rock Quarry | New Mexico | Union | Producer |
| Unidentified Volcanic Rock Quarry | Puerto Rico | Producer | |
| Unidentified Volcanic Sand Working | Puerto Rico | Producer | |
| Unnamed Pit | Oregon | Deschutes | Producer |
| Unnamed Pit | Oregon | Harney | Producer |
| Unnamed Pit | Oregon | Deschutes | Producer |