Ebook

Metals from Blacksands

Selected and Technologic and Economic Data

Idaho Bureau of Mines and Geology

Information Circular No. 10, 1961

The most common by product of Placer mining is Blacksands. Considered worthless by most and discarded, many blacksands contain much more than Iron. Rare minerals such as Tantalum, Columbium, Zirconium, Hafnium, Titanium, Niobium, Thorium, Scandium, Yttrium to name a few. This Circular gives percentages of these elements in some selected black sands, methods of recovery, values and more.

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