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 of size bin (μm)500302520151050unclassified (modal%)The modal% of unclassifiedmaterial:– ranges from ~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: 16.9% 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 from another,unknown effect?)12
Lunar simulants: Mare and HighlandsNU-LHT-1M lunarhighlands simulantJSC-1A lunar maresimulant9/15/2008 BAE Systems, Marshall SpaceFlight Center13
Page 1 and 2: Geological Society of America 2008A
Page 3 and 4: Outline, cont.• Results of analys
Page 5 and 6: Apollo 16 siteLMStation 4:64001/640
Page 7 and 8: Modal analysis of sieved grain moun
Page 9 and 10: Change in modal% by size fraction:
Page 11: Modal analysis: thin sections versu
Page 15 and 16: Overview: Trace mineral modal compa
Page 17 and 18: Parallel workCharacterizing particl

Analysis of lunar highland regolith samples from Apollo 16 drive ...

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