Tantalum Mines
18Total Sites
1Active
Top States
| State | Sites |
|---|---|
| Wyoming | 4 |
| Colorado | 3 |
| South Dakota | 2 |
| Virginia | 1 |
| South Carolina | 1 |
| North Carolina | 1 |
| Montana | 1 |
| Michigan | 1 |
| Massachusetts | 1 |
| Maine | 1 |
| Illinois | 1 |
| Alabama | 1 |
Notable Sites
| Mine | State | County | Status |
|---|---|---|---|
| Fansteel #1 Tantalum Plant | Illinois | Lake | Producer |
| Amelia Courthouse | Virginia | Amelia | Unknown |
| Beecher Lode Bond Claim | South Dakota | Custer | Past Producer |
| Cherokee County Peg | South Carolina | Cherokee | Unknown |
| General Electric Co--warren, Mich. | Michigan | Macomb | Past Producer |
| Hardin-keith-small Prospect | Maine | Franklin | Prospect |
| Lincoln County Pegmatite | North Carolina | Lincoln | Unknown |
| Mace Prospect | Montana | Ravalli | Prospect |
| Nrc Inc--newton, Ma. | Massachusetts | Middlesex | Plant |
| Old Will Bentley Land Prospect | Alabama | Coosa | Occurrence |
| Oniell Radium Group | Colorado | San Miguel | Past Producer |
| Star Lode | South Dakota | Pennington | Past Producer |
| Tantalite Prospect | Colorado | Saguache | Occurrence |
| Tantalite Prospect | Colorado | Saguache | Occurrence |
| Unknown | Wyoming | Niobrara | Occurrence |
| Unknown | Wyoming | Niobrara | Occurrence |
| Unknown | Wyoming | Niobrara | Occurrence |
| Unknown | Wyoming | Niobrara | Occurrence |