Columbium (niobium) and tantalum
By: by Larry D. Cunningham
Contributors: United States. Bureau of Mines; United States. Bureau of Mines. Branch of Metals
Publisher: U.S. Department of the Interior, Bureau of Mines
Published: 1991
Place of publication: Washington, D.C
Language: eng
Number of pages: 19
Subjects: Niobium; Statistics; Periodicals; Tantalum
Other titles: Columbium (niobium) and tantalum : annual report 1990; Columbium (niobium) and tantalum--1990
Notes: Cover title.

"November 1991."

Domestic survey and trade data prepared by Cheryl M. Mack; columbium and tantalum world production data prepared by Audrey D. Wilkes.

Includes tables.

Also available online via Internet Archive.
Table of contents: title: Domestic data coverage; title: Background : Columbian. Definitions, grades, and specifications; title: Products for trade and industry; title: Geology resources; title: Technology : exploration ; mining ; beneficiation ; recycling; title: Byproducts and coproducts; title: Substitutes; title: Economic factors; title: Background : Tantalum. Definitions, grades, and specifications; title: Products for trade and industry; title: Geology resources; title: Technology : exploration ; mining ; beneficiation ; recycling; title: Byproducts and coproducts; title: Substitutes; title: Economic factors; title: Annual review : Columbium and tantalum. Tantalum; title: Legislation and government programs; title: Strategic considerations; title: Issues; title: Production; title: Consumption and uses; title: Market and prices; title: Foreign trade; title: World review : industry structure ; capacity ; Australia ; Brazil ; Canada ; Germany, Federal Republic of ; Japan ; Thailand; title: Outlook : columbium ; tantalum.