Analysis of lunar highland regolith samples from Apollo 16 drive ...
Analysis of lunar highland regolith samples from Apollo 16 drive ...
Analysis of lunar highland regolith samples from Apollo 16 drive ...
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Unclassified material in QEMSCAN ® modal analysis40064002,26264001,374350 300 250 200 150 100Middle <strong>of</strong> size bin (μm)500302520151050unclassified (modal%)The modal% <strong>of</strong> unclassifiedmaterial:– ranges <strong>from</strong> ~5-24% in anyone analysis;– tends to increase as sizefraction decreases in grainmounts;Thin sections64002,6019: 6.6% unclassified64001,6031: 6.4% unclassifiedIntegrated grain mounts64002,262: 8.4% unclassified64001,374: <strong>16</strong>.9% unclassified9/15/2008 BAE Systems, Marshall SpaceFlight Center– is higher in integrated grainmounts than in thin sections• (is more materialmisclassified due to edgeeffects and phase mixing?)• (is this <strong>from</strong> another,unknown effect?)12
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