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Mineral Sciences Investigations 1976-1977
Robert F. Fudali, editor
73 pages, 22 figures, 20 tables
1979 (Date of Issue: 11 September 1979)
Number 22, Smithsonian Contributions to the Earth Sciences
DOI: 10.5479/si.00810274.22.1
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Abstract

This volume is comprised of six short contributions reporting the results of some of the research carried out by the Department of Mineral Sciences, Smithsonian Institution, during the period 1976-1977. Included are: a comparison of impact breccias and glasses from Lonar Crater (India) with very similar specimens from the moon; petrographic descriptions and chemical analyses of virtually all the known pyroxene-plagioclase achondrite meteorites and a discussion of the relationships within this class; a comparative chemical study of sixty Australian tektites from widely separated localities; a description of a new, rapid technique of sample preparation for whole-rock analyses using the electron microprobe; an interlaboratory comparison of the precision and accuracy of electron microprobe analyses; and a tabulation of the chemical compositions of some electron microprobe reference samples.


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