REE, Thorium Mines

12Total Sites
3Active

REE, Thorium Mining in the United States

Federal databases document 12 ree, thorium-related mine and mineral deposit locations across the United States. Of these, 3 (25%) are currently active operations tracked by MSHA. These records span active mines, past producers, mineral prospects, and geological occurrences identified through federal surveys.

Top States

StateSites
Colorado5
Idaho3
North Carolina2
Wyoming1
Montana1

Notable Sites

MineStateCountyStatus
Heavy Mineral PlacerIdahoValleyProducer
Sheep CreekMontanaRavalliProducer
UnknownColoradoCusterProducer
Camp Creek Monazite Placer S TributaryNorth CarolinaClevelandPast Producer
Deer No. 24 Thorium ProspectIdahoLemhiOccurrence
Dictator No. 6 ProspectIdahoLemhiOccurrence
Homestake No. 2 ClaimColoradoFremontProspect
Ledford Allanite ProspectNorth CarolinaMadisonOccurrence
Sewell RanchColoradoCusterProspect
UnknownColoradoFremontOccurrence
UnknownWyomingParkUnknown
Vona Mae ClaimsColoradoLarimerOccurrence