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Niobium and tantalum: indispensable twins

Explains why these elements are commonly discussed together, how they are used, where we get them, and prospects for future supply and demand.

by Schulz, Klaus J. and Papp, John F.
U.S. Geological Survey Fact Sheet 2014-3054
This publication is available only as a PDF document.
Related topics:
Economic geology, Metallic mineral resources, Niobium, Tantalum
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USGS Publications Warehouse [Citation page] - [JSON]

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