SYMPOSIA PAPER Published: 01 January 1973
STP36537S

Microsampling Techniques for Infrared Spectroscopic Analysis of Lunar and Terrestrial Minerals

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Microsampling techniques have been developed for infrared analysis of single mineral grains (>150 μm) from lunar rocks and dusts, allowing a detailed molecular structure characterization of these complex fine-grained samples. The methods include special devices for isolating single grains, preparing micropellets from the grains, and obtaining in situ micro-specular reflectance spectra from grains in polished rock samples. Although specifically developed for the work on lunar samples, the special techniques for single grain infrared analysis were found to be equally useful in studies of complex terrestrial mineral samples. For example, infrared microanalysis has contributed substantially in solving problems concerned with our natural resources, such as the structural characterization of minerals from commercial iron ores, marine deposits, coal, and fly ash derived from coal.

Author Information

Estep, PA
U.S. Bureau of Mines, Morgantown Energy Research Center, Morgantown, W. Va.
Kovach, JJ
U.S. Bureau of Mines, Morgantown Energy Research Center, Morgantown, W. Va.
Karr, C
U.S. Bureau of Mines, Morgantown Energy Research Center, Morgantown, W. Va.
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Details
Developed by Committee: F07
Pages: 80–99
DOI: 10.1520/STP36537S
ISBN-EB: 978-0-8031-4631-0
ISBN-13: 978-0-8031-0791-5