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THE LUNAR SCIENCE COMMUNITY BENEFITS FROM A VERY LARGE QUANTITY OF SPECTRAL DATA FROM SEVERAL MISSIONS THAT PROVIDES INFORMATION ON THE COMPOSITION OF THE MOON AT RESOLUTIONS AS HIGH AS 20-M. HOWEVER INTERPRETATION OF SPECTRAL DATA IS OFTEN THE PROVINCE OF EXPERTS WHICH LIMITS THE ACCESSIBILITY OF THE COMPOSITIONAL INFORMATION. WHILE THERE ARE MANY APPROACHES TO THE ANALYSIS OF SPECTRAL DATA OUR RESEARCH GROUP HAS PURSUED PUBLICATION AND ARCHIVING OF SPECTRALLY-DERIVED MINERAL MAPS. MODAL ABUNDANCE OF THE MAJOR SILICATE MINERALS IS A QUANTITY USED THROUGHOUT GEOLOGY AND IS THE BASIS FOR THE NOMENCLATURE OF LUNAR ROCKS. OUR TEAM HAS RECENTLY ARCHIVED MAPS AT THE USGS OF THE MINERAL SYSTEM PLAGIOCLASE-OLIVINE-ORTHOPYROXENE-CLINOPYROXENE DERIVED FROM KAGUYA MULTIBAND IMAGER DATA AT 60-M (512 PPD) RESOLUTION FOR LATITUDES BETWEEN +/- 50 DEGREES. THE PROPOSED PROJECT HAS THESE OBJECTIVES: 1) PRODUCE AND ARCHIVE MINERAL MAPS AT 20-M RESOLUTION FROM KAGUYA UVVIS MULTIBAND IMAGER DATA CONSTRAINED BY OUR PRIOR MAPS DATA FROM M3 KAGUYA SPECTRAL PROFILER AND FROM DIVINER; 2) VALIDATE THESE DATA WITH AN EXISTING DATA BASE OF X-DIFFRACTION DERIVED MODAL ABUNDANCE OF APOLLO SOILS FOR OVER 100 SAMPLING SITES THAT CAN BE INDIVIDUALLY RESOLVED IN MULTIBAND IMAGER DATA. OUR APPROACH WITH THE EXISTING 60-M DATA SET WAS TO DERIVE MINERAL ABUNDANCE BY COMPARING MI SPECTRA TO RESULTS OF A RADIATIVE TRANSFER MODEL OF LUNAR SOIL. IN ADDITION WILL ALSO USE CHANDRAYAAN-1 M3 KAGUYA SPECTRAL PROFILER AND LROC WAC TO SUPPORT MAPPING ILMENITE GLASS AND SPINEL. WE WILL APPLY THESE RESULTS AS AN ADDITIONAL CONSTRAINT. THE RESULTS WILL THEN BE COMPARED TO AND FINALLY RECONCILED WITH THE MODAL MINERAL ABUNDANCES FOR 56 RESOLVED APOLLO SAMPLING SITES COVERED BY 124 SOILS FOR WHICH WE HAVE MINERAL ABUNDANCES MEASURED IN THE LABORATORY. THE PROJECT GENERATES AND ARCHIVES HIGHER ORDER DATA PRODUCTS (MINERAL MAPS) FROM EXISTING MISSION DATA SETS AND VALIDATES THOSE DATA. THE PROJECT WILL NOT INCLUDE SCIENTIFIC ANALYSIS OF THE MAPS GENERATED. THE MINERAL MAPS AND MODAL DATA WOULD BE INVALUABLE FOR STUDIES PERFORMED UNDER OTHER PROGRAMS SUCH AS THE LUNAR DATA ANALYSIS PROGRAM OR OTHER SUPPORT FOR LUNAR SCIENCE.

$346,047FY2017National Aeronautics and Space AdministrationNASA

University Of Hawaii, Honolulu

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