Thorium, REE Mines
36Total Sites
0Active
Thorium, REE Mining in the United States
Federal databases document 36 thorium, ree-related mine and mineral deposit locations across the United States. No thorium, ree mines are currently listed as active in the MSHA database, though many historical deposits and past producers are documented in USGS records. These records span active mines, past producers, mineral prospects, and geological occurrences identified through federal surveys.
Top States
| State | Sites |
|---|---|
| Colorado | 12 |
| Idaho | 9 |
| South Carolina | 8 |
| New Mexico | 4 |
| Wyoming | 1 |
| Ohio | 1 |
| Alaska | 1 |
Notable Sites
| Mine | State | County | Status |
|---|---|---|---|
| Anna Lee Lode | Colorado | Custer | Prospect |
| Atomic Mountain Claim | Colorado | Custer | Prospect |
| Barry Prospects | New Mexico | Lincoln | Occurrence |
| Beardsley Deposit | Colorado | Custer | Past Producer |
| Contact Claim Group | Idaho | Lemhi | Occurrence |
| Darby Extension | Colorado | Custer | Past Producer |
| Deer No. 22 Thorium Prospect | Idaho | Lemhi | Occurrence |
| Deer No. 23 Thorium Prospect | Idaho | Lemhi | Occurrence |
| El Tigre Prospect | New Mexico | Lincoln | Occurrence |
| Franklin Mine | Colorado | Custer | Past Producer |
| Fuzzy Nut 1-18 Claims | New Mexico | Lincoln | Occurrence |
| Headwater Cole Creek Monazite Placer | South Carolina | Cherokee | Unknown |
| Headwater Irene Creek Monazite Placer | South Carolina | Cherokee | Unknown |
| Hot Shot Claims | Colorado | Fremont | Occurrence |
| Interlake Inc/ Beverly, Ohio | Ohio | Washington | Past Producer |
| Little Maud Claim | Colorado | Custer | Prospect |
| Lone Star No. 2 | Idaho | Lemhi | Past Producer |
| Lucky Horseshoe Claim Group | Idaho | Lemhi | Prospect |
| Nightengale Claim | Colorado | Custer | Prospect |
| No. 69 Thorium Deposit | Idaho | Lemhi | Occurrence |
| Northern Trib Cherokee Creek Monazite Placer | South Carolina | Cherokee | Unknown |
| Northern Trib Ross Creek Monazite Placer | South Carolina | Cherokee | Unknown |
| Pennie Poker | Colorado | Custer | Past Producer |
| Pride 2 and E and M 13 | New Mexico | Lincoln | Occurrence |
| Sarratt Creek Monazite Placer | South Carolina | Cherokee | Unknown |
| Silver Queen No. 35 | Idaho | Lemhi | Occurrence |
| Southern Trib Cherokee Creek Monazite Placer | South Carolina | Cherokee | Unknown |
| Sparky Prospect | Idaho | Lemhi | Occurrence |
| Starbuck Claim | Colorado | Custer | Prospect |
| Thicketty Creek Monazite Placer Eastern Tributary | South Carolina | Cherokee | Unknown |
| Thorium Mountain Mine | Colorado | Custer | Past Producer |
| Twenty Grand Claim | Colorado | Custer | Prospect |
| Unknown | Wyoming | Carbon | Occurrence |
| Unnamed Rare-Earth Occurrence | Alaska | Occurrence | |
| Upper Cole Creek Monazite Placer | South Carolina | Cherokee | Unknown |
| Wonder Mine | Idaho | Lemhi | Past Producer |