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Unlikely Allies: Lunar Geophysics and Composition

Wednesday, March 15, 2023, 2:15 PM
Waterway Ballroom 1

Caitlin Ahrens
Kris Izquierdo
Weigang Liang
2:15 PM
Session Introduction
2:20 PM
Smith D. E.* Goossens S. J. Zuber M. T.
Gravitational Structure Under Major Lunar Basins [#1098]
We investigate the structure under three lunar basins contained in the Bouguer gravity and conclude that similarities are present in all three basins.
2:30 PM
Patton R. L.*
Anisotropy of Lunar Gravity and Topography [#1011]
Gravity-topography cross-statistics at spherical harmonic degrees 2, 10, 11, and 12 are effectively random, likely due to modal cross-coupling of tides.
2:40 PM
Izquierdo K.* Sori M. M. Checketts B. Hampton I. Johnson B. C. et al.
Volumes of Visible Mare and Hidden Cryptomare Basalts on the Moon from Gravity Data and Dark Halo Craters [#1116]
We find a greater volume of mare basalts on the Moon and find new locations of buried basalts than what has been proposed before.
2:50 PM
Nishiyama G.* Morota T. Namiki N. Inoue K. Sugita S.
High-Calcium Pyroxene Exposures Possibly from Ancient Magmatic Intrusions of Lunar Linear Gravity Anomalies [#1253]
To investigate compositions of magmatic intrusions of lunar linear gravity anomalies (LGAs), this work analyzes spectra and gravity around craters on LGAs.
3:00 PM
Panel Q&A
3:20 PM
Bhatt H. V.* Glotch T. D. Chauhan P. Solanki P. M.
Mineralogy Morphology and Tectonic Setting of Gardner Crater of the Moon [#2178]
Gardner crater set on Gardner volcanic shield, exposes material from shield and nearby highland area, presents prominent morphological and tectonic setting.
3:30 PM
Keerthana R.* Annadurai R. Kusuma K. N.
Spectral Reflectance Studies of Nernst Crater on Moon Using Chandrayaan-1 M3 Datasets [#1436]
Nernst crater is situated on highland terrane. Therefore it shows anorthositic dominance.
3:40 PM
Narendranath S.* Pillai N. S. Vadodariya K. Tadepalli S. Sarwade A. et al.
New Lunar Elemental Maps from Chandrayaan-2 [#2191]
Largest coverage and highest spatial resolution elemental abundance maps of the Moon from X-ray fluorescence spectrometry are generated from Chandrayaan-2.
3:50 PM
Pieters C. M.* Sunshine J. M.
Sinus Aestuum: The Pervasive Unsampled Other Lunar Spinel Lithology [#2779]
Unlike other regional lunar pyroclastic deposits, these are dominated by Fe-rich spinel, implying a distinct mantle source region. NEED samples!
4:00 PM
Panel Q&A
4:20 PM
Czajka E. A.* Retherford K. D. Kramer G. Hendrix A. Cahill J. T. S. et al.
LRO LAMP Far-Ultraviolet Observations of Aristarchus Crater [#2753]
LAMP Off/On band ratios and M3 spectra show Aristarchus’ central peak and high albedo ejecta contain shocked, possibly alkalic, plagioclase unique to the area.
4:30 PM
Henderson M. J.B.* Petro N. E.
4:40 PM
Ahrens C. J.* Lena R.
Spectral and Morphometric Properties of the Fracastorius Crater Lunar Dome [#1157]
Elongated dome / Elusive and effusive / Fracastorius.
4:50 PM
Patel S. M.* Harish N. Patel D. D. Solanki P. M. El-maarry M. R.
Mineralogy of Multiple Volcanic Episodes of Mare Orientale [#1930]
The present study aims to determine the chemical variations among the basaltic units in the Orientale Basin based on pyroxene chemistry.
5:00 PM
Panel Q&A
5:20 PM
Session Closure