Mathematics – Logic
Scientific paper
Dec 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978mmc..reptq....w&link_type=abstract
Final Report, Mar. - Dec. 1978 Martin Marietta Labs., Baltimore, MD.
Mathematics
Logic
Apollo 15 Flight, Lunar Rocks, Petrography, Petrology, Breccia, Chemical Analysis, Electron Microscopy, Glass, Mineralogy, Olivine
Scientific paper
Thin sections and polished electron probe mounts of Apollo 15 glasscoated breccias 15255, 15286, 15466, and 15505 were examined optically and analyzed by sem/microprobe. Sections from breccias 15465 and 15466 were examined in detail, and chemical and mineralogical analyses of several larger lithic clasts, green glass, and partly crystallized green glass spheres are presented. Area analyses of 33 clasts from the above breccias were also done using the SEM/EDS system. Mineralogical and bulk chemical analyses of clasts from the Apollo 15 glass-coated breccias reveal a diverse set of potential rock types, including plutonic and extrusive igneous rocks and impact melts. Examination of the chemistry of the clasts suggests that many of these clasts, like those found in 61175, are impact melts. Their variability suggests formation by several small local impacts rather than by a large basin-forming event.
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