Tantalum Mines
18Total Sites
1Active
Tantalum Mining in the United States
Federal databases document 18 tantalum-related mine and mineral deposit locations across the United States. Of these, 1 (5%) are currently active operations tracked by MSHA. These records span active mines, past producers, mineral prospects, and geological occurrences identified through federal surveys.
The earliest recorded tantalum mine in the database is Beecher Lode Bond Claim in South Dakota, with records dating to 1909.
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 |