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Some Effects of World War II on Pegmatite Minerals and Mining

Jahns, Richard H. (1946) Some Effects of World War II on Pegmatite Minerals and Mining. In: Society of Mining Engineers of AIME. Industrial Minerals Division. American Institute of Mining, Metallurgical, and Petroleum Engineers , New York, pp. 1-17. https://resolver.caltech.edu/CaltechAUTHORS:20220311-225212066

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Abstract

Granitic pegmatite deposits are the chief source of feldspar; sheet mica; beryllium, tantalum-columbium, and lithium minerals; and certain types of kaolin. They also have yielded significant quantities of cassiterite, uranium-thorium and rare-earth minerals, gems, scrap mica, molybdenite, zircon, and tungsten minerals, either directly or as the sources of tributary placers deposits. The output from pegmatite mines in the United States is very small as compared with other mineral products in terms of bulk or value, and much of it comprises so-called "minor" metals and non-metals. Nevertheless, pegmatite minerals play a vital part in domestic industrial economy, particularly in the ceramic and electrical fields. Numerous special-purpose uses also are important, even though they require very small quantities of raw material.


Item Type:Book Section
Additional Information:© 1946 AIME.
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Caltech Division of Geological Sciences451
Record Number:CaltechAUTHORS:20220311-225212066
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20220311-225212066
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:113893
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:11 Mar 2022 23:17
Last Modified:11 Mar 2022 23:17

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