carbonatite
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Great Deposits
Mountain Pass: America’s Once and Future Rare Earth King
Mountain Pass, California once produced the majority of the world’s Rare Earth Elements (REEs). The 2002 closure of the mine…
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Deposit Types
Carbonatite Rare Earth Elements Deposits
Introduction Carbonatites are a special group of carbonate-rich igneous rocks and the world’s primary source of rare earth elements (REE),…
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