Computer Science
Scientific paper
Apr 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976lpsc....7..373v&link_type=abstract
In: Lunar Science Conference, 7th, Houston, Tex., March 15-19, 1976, Proceedings. Volume 1. (A77-34651 15-91) New York, Pergamon
Computer Science
2
Chemical Composition, Granular Materials, Lunar Rocks, Lunar Soil, Particle Size Distribution, Textures, Breccia, Fragments, Meteorite Collisions, Micrometeoroids, Petrography, Regression Analysis
Scientific paper
Data are presented on the grain size distribution and petrographic composition of all size classes covered by 20 regolith samples representing progressive stages of textural and compositional evolution, in the 10 to 1000 micron range (accessible to optical microscopy). Different stages of regolith maturity resulting from destructional and constructional effects of micrometeoritic impact are probed. The median of the sub-500 micron samples diminishes with increasing maturity; the size frequency distribution asymmetry becomes more marked (excess of fines). Frequency decreases from coarse to fine diameters for rock fragments populating all the samples. The modal class of agglutinates plus regolith breccias is 63 to 125 microns in all samples. Overall modal compositions were calculated from modal compositions of individual size classes and grain size distributions.
Hurrle H.
Luft E.
von Engelhardt Wolf
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