Clay Mines in Montana
144Total Sites
10Active
Clay Mining in Montana
Montana has 144 clay-related mine and mineral deposit locations recorded in federal databases. Of these, 10 are currently active operations. Data comes from the USGS Mineral Resources Data System and MSHA Mine Safety and Health Administration records.
By County
Clay Mines
| Mine | County | Type | Status |
|---|---|---|---|
| Bentonite Clay Mine | Beaverhead | Producer | |
| Bentonite Mine and Plant | Rosebud | Producer | |
| Brazil Creek Pit | Phillips | Surface | Producer |
| Hallett Minerals Pit | Rosebud | Surface | Producer |
| Lewiston Pit | Fergus | Surface | Producer |
| Lovell Clay Pit | Yellowstone | Surface | Producer |
| Lovell Clay Products | Yellowstone | Producer | |
| Placer Fire Clay Pit | Deer Lodge | Surface | Producer |
| Plainfeather | Yellowstone | Producer | |
| Torgelson Property | Missoula | Producer | |
| Bent Clay Pit | Yellowstone | Surface | Past Producer |
| Buff Clay Pit | Yellowstone | Surface | Past Producer |
| Cade Ranch | Golden Valley | Occurrence | |
| Calico Clay Pit | Jefferson | Surface | Past Producer |
| Clay Deposit In Orofino Gulch | Lewis and Clark | Occurrence | |
| Clay Deposit Near Silver Creek | Lewis and Clark | Occurrence | |
| Clay Occurrence | Daniels | Occurrence | |
| Clay Occurrence | Sheridan | Occurrence | |
| Clay Pit | Blaine | Occurrence | |
| Clay Pit | Ravalli | Surface | Unknown |
| Clay Pit | Ravalli | Surface | Unknown |
| Clay Pit | Phillips | Occurrence | |
| Clay Pit | Ravalli | Surface | Unknown |
| Clay and Shale Occurrence | Big Horn | Occurrence | |
| Clay and Shale Occurrence | Big Horn | Occurrence | |
| Clay and Shale Occurrences | Big Horn | Occurrence | |
| Cow Creek Clays | Phillips | Occurrence | |
| Eastern Clay Products | Carter | Surface | Prospect |
| Erickson Ranch | Rosebud | Occurrence | |
| Fleming's Halloysite Prospect | Beaverhead | Underground | Prospect |
| Foster Mine | Carter | Past Producer | |
| Gavin Placer | Silver Bow | Placer | Unknown |
| Gold Seal Claims | Madison | Unknown | |
| Kalispell | Flathead | Unknown | |
| Kelly-Bolton Deposits | Silver Bow | Surface-Underground | Prospect |
| Kolar & Sons Bentonite Deposit | Judith Basin | Surface | Past Producer |
| Kolar Bentonite | Judith Basin | Surface | Prospect |
| Kootenai Formation Clays | Fergus | Occurrence | |
| Lewistown Brick & Tile Co. | Fergus | Surface | Past Producer |
| Lovell Clay Products | Yellowstone | Occurrence | |
| Minnemann Ranch | Golden Valley | Occurrence | |
| Montana City Pit | Jefferson | Unknown | |
| Mountain States Clay Products, Inc. | Treasure | Occurrence | |
| P. L. Clay | Beaverhead | Underground | Unknown |
| Perry Deposits | Silver Bow | Occurrence | |
| Seven Blackfoot Clays | Garfield | Unknown | |
| Soap Creek Bentonite | Big Horn | Occurrence | |
| Tenny Bentonite | Yellowstone | Occurrence | |
| Torgelson Property | Missoula | Occurrence | |
| Treasurelite Shale Mine | Cascade | Underground | Prospect |