Global Tantalum Production, Conflict Minerals and The U. S. Dodd-Frank Act – What You Should Know According to The U.S. Geological Survey, Mineral Commodity Summaries, Significant U.S. tantalum mine production has not been reported since 1959. Domestic tantalum resources are of low grade, some are mineralogically complex, and most are not commercially recoverable. Companies in […]
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