LUNAR SURFACE REMOTE SENSING 7:00 P.M

Lunar and Planetary Science XXXVI (2005) sess73.pdf

Thursday, March 17, 2005 POSTER SESSION II: LUNAR SURFACE REMOTE SENSING 7:00 p.m. Fitness Center

Okada T. Arai T. Hosono K. Shirai K. Yamamoto Y. Ogawa K. Kato M. First X-Ray Observation of Lunar Farside from Hayabusa X-Ray Spectrometer [#1175] The X-ray fluorescence spectrometer or XRS on-board Hayabusa has observed the first X-ray emission off the surface of lunar farside on May 17 in 2004, just before the Earth swing-by. The data indicates that the overall average composition of lunar farside is consistent with anorthositic crust.

Garrick-Bethell I. Zuber M. T. An Indigenous Origin for the South Pole-Aitken Basin Thorium Anomaly [#2372] Based on analysis of a combination of datasets we propose that the thorium anomaly in the northwest corner of the South Pole-Aitken basin most likely reflects an indigenous process.

Thompson T. W. Campbell B. A. Unusual Radar Backscatter Properties Along the Northern Rim of Imbrium Basin [#1535] The terra along the northern rim of Imbrium has unusually low radar backscatter, which is 2–4 times lower than other terra. This may be attributed to a mantle of pyroclastics in this area.

Campbell B. A. Campbell D. B. Chandler J. New 70-cm Radar Mapping of the Moon [#1385] We are collecting a new high-resolution 70-cm radar map of the lunar nearside.

Saito M. Takata T. Matsushita M. Chishima T. Ikeda Y. Hirao N. Iijima Y. Ground-based Observation of Lunar Surface by Lunar VIS/NIR Spectral Imager [#1513] Ground-based Lunar VIS/NIR Spectral Imager is developed in order to obtain 3 dimensional spectral and spatial images of the nearside of the moon. Preliminary imaging and data reduction were conducted in Mare Serenitatis and Tranquillitatis.

Giguere T. A. Hawke B. R. Gaddis L. R. Blewett D. T. Lucey P. G. Peterson C. A. Smith G. A. Spudis P. D. Taylor G. J. Remote Sensing Studies of the Dionysius Region of the Moon [#1092] The dark rays of Dionysius crater are dominated by mare debris, not by glassy impact melt. The mafic debris was derived from a dark layer exposed high on the inner crater wall.

Lawrence S. J. Hawke B. R. Lawrence D. J. Gillis J. J. Lucey P. G. Smith G. A. Taylor G. J. The Composition and Origin of the Dewar Geochemical Anomaly [#1549] We report the results of a remote sensing investigation of the thorium anomaly located northeast of Dewar crater on the lunar farside. The elevated thorium values correlate with FeO and TiO2 enhancements. Possible origin mechanisms are discussed.

Kodama S. Yamaguchi Y. Mare Volcanism on the Moon Inferred from Clementine UVVIS Data [#1641] The mare basalts in Oceanus Procellarum and Mare Imbrium were mapped, and their stratigraphy was established using the Clementine UVVIS data in order to understand the temporal and spatial variations of the lunar mare volcanism.

Gillis J. J. Lucey P. G. Campbell B. A. Hawke B. R. Clementine 2.7 µm Data and 70-cm Earth-based Radar Data Provide Additional Constraints for UVVIS-based Estimates of TiO2 Content for Lunar Mare Basalts [#2254] Looking to improve the accuracy of your UVVIS derived TiO2 compositions for lunar basalts? Look no further, 2.7 µm and 70-cm radar data sets provide complementary information to the UVVIS ratio that may improve your estimates of TiO2 composition.

Lunar and Planetary Science XXXVI (2005) sess73.pdf

Holsclaw G. M. McClintock W. E. Robinson M. S. Comparison of Newly Acquired Lunar Spectra with the Titanium Abundance Maps Derived from Clementine [#2376] Spectra of several locations on the Moon has been acquired. The correlation of the 360/450-nm color ratio with titanium abundance is examined.

Hackwill T. Guest J. E. Spudis P. Basalts in Mare Serenitatis, Lacus Somniorum, Lacus Mortis and Part of Mare Tranquillitatis [#1654] We have used Clementine data to investigate the spatial distribution of FeO and TiO2 wt% in the Mare Serenitatis region. We suggest there is a correlation between FeO/TiO2 wt% and basalt depth.

Kramer G. Y. Jolliff B. L. Neal C. R. Kirkland L. E. Fessler B. Distinguishing High-Al Mare Basalt Units Using High Resolution Clementine Data [#2256] High resolution Clementine FeO and TiO2 are used to search for high-Al mare basalts exposures. Small impacts into a region, which are large enough to penetrate the regolith but do not excavate below the maria, act as windows revealing the composition of the fresh basalt.

Bussey D. B. J. Schenk P. M. Galileo’s View of the Lunar North Pole [#1219] Analysis of Galileo SSI images have provided new topography information for the north polar region. In addition these images represent a unique snapshot of the polar illumination conditions.

Hagerty J. J. Lawrence D. J. Elphic R. C. Feldman W. C. Vaniman D. T. Hawke B. R. Revised Thorium Abundances for Lunar Red Spots [#1746] We use Lunar Prospector gamma-ray data and Clementine spectral reflectance data to revisit the interpretation of thorium abundances at the Gruithuisen red spot, with implications for other lunar red spots.

Wilcox B. B. Lucey P. G. Cahill J. T. Space Weathering and Thermal Properties of Fresh Craters on the Moon [#2293] We examine correlations between space weathering as determined from Clementine UV-VIS images and rock abundance as determined from thermal images taken during lunar eclipse, and present implications for the state of the regolith and its evolution.