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Mineralogical and chemical properties of the lunar regolithThe composition of lunar regolith and its attendant properties are discussed. Tables are provided listing lunar minerals, the abundance of plagioclase feldspar, pyroxene, olivine, and ilmenite in lunar materials, typical compositions of common lunar minerals, and cumulative grain-size distribution for a large number of lunar soils. Also provided are charts on the chemistry of breccias, the chemistry of lunar glass, and the comparative chemistry of surface soils for the Apollo sites. Lunar agglutinates, constructional particles made of lithic, mineral, and glass fragments welded together by a glassy matrix containing extremely fine-grained metallic iron and formed by micrometeoric impacts at the lunar surface, are discussed. Crystalline, igneous rock fragments, breccias, and lunar glass are examined. Volatiles implanted in lunar materials and regolith maturity are also addressed.
Document ID
19910030107
Document Type
Conference Proceedings
Authors
Mckay, David S. (NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Ming, Douglas W. (NASA Johnson Space Center Houston, TX, United States)
Date Acquired
August 15, 2013
Publication Date
January 1, 1989
Subject Category
LUNAR AND PLANETARY EXPLORATION
Distribution Limits
Public
Copyright
Other