GRAIL gravity gradients evidence for a potential lava tube at Marius Hills on the moon

Abdullah, 2019, Characterization of subsurface cavities using gravity and ground penetrating radar, J. Environ. Eng. Geophys., 24, 265, 10.2113/JEEG24.2.265 Andrews-Hanna, 2013, Ancient igneous intrusions and early expansion of the moon revealed by GRAIL gravity Gradiometry, Science, 339, 675, 10.1126/science.1231753 Blair, 2017, The structural stability of lunar lava tubes, Icarus, 282, 47, 10.1016/j.icarus.2016.10.008 Bunnell, 2008 Carr, 1973, Volcanism on Mars, J. Geophys. Res. (1896–1977), 78, 4049, 10.1029/JB078i020p04049 Chappaz, 2014, Strategies for detection of buried empty Lava tubes with GRAIL data Chappaz, 2017, Evidence of large empty lava tubes on the moon using GRAIL gravity, Geophys. Res. Lett., 44, 105, 10.1002/2016GL071588 Donini, 2018, An Approach to Lava Tube Detection in Radar Sounder Data of the Moon Esmaeili, 2020, Resolution of Lava Tubes With Ground Penetrating Radar: The TubeX Project, J. Geophys. Res. Planets, 125, 10.1029/2019JE006138 Greeley, 1971, Lunar Hadley Rille: considerations of its origin, Science, 172, 722, 10.1126/science.172.3984.722 Haruyama, 2009, Possible lunar lava tube skylight observed by SELENE cameras, Geophys. Res. Lett., 36, 10.1029/2009GL040635 Hirt, 2019, A numerical study of residual terrain modelling (RTM) techniques and the harmonic correction using ultra-high-degree spectral gravity modelling, J. Geod., 93, 1469, 10.1007/s00190-019-01261-x Horz, 1985, Lava tubes - Potential shelters for habitats (pp. 405–412) Hurwitz, 2013, Lunar sinuous rilles: distribution, characteristics, and implications for their origin, Planet. Space Sci., 79–80, 1, 10.1016/j.pss.2012.10.019 James, 2013, Geophysical modeling of typical cavity shapes to calculate detection probability and inform survey design, J. Environ. Eng. Geophys., 18, 297, 10.2113/JEEG18.4.297 Kaku, 2017, Detection of intact lava tubes at Marius Hills on the moon by SELENE (Kaguya) lunar radar sounder, Geophys. Res. Lett., 44, 10,155, 10.1002/2017GL074998 Kempe, 2019, Chapter 131 - volcanic rock caves Kobayashi, 2021, Nadir Detection of Lunar Lava Tube by Kaguya Lunar Radar Sounder, IEEE Transac. Geosci. Remote Sens., 59, 7395, 10.1109/TGRS.2020.3033033 Lemoine, 2014, GRGM900C: a degree 900 lunar gravity model from GRAIL primary and extended mission data, Geophys. Res. Lett., 41, 3382, 10.1002/2014GL060027 Nagy, 2000, The gravitational potential and its derivatives for the prism, J. Geod., 74, 552, 10.1007/s001900000116 Nagy, 2002, Corrections to “The gravitational potential and its derivatives for the prism.”, J. Geod., 76, 475, 10.1007/s00190-002-0264-7 Oberbeck, 1969, On the origin of lunar sinuous Rilles, Mod. Geol., 1, 75 Robinson, 2012, Confirmation of sublunarean voids and thin layering in mare deposits, Planet. Space Sci., 69, 18, 10.1016/j.pss.2012.05.008 Rowlands, 2016 Sauro, 2020, Lava tubes on earth, moon and Mars: a review on their size and morphology revealed by comparative planetology, Earth Sci. Rev., 209, 103288, 10.1016/j.earscirev.2020.103288 Smith, 2010, Initial observations from the lunar orbiter laser altimeter (LOLA), Geophys. Res. Lett., 37, 10.1029/2010GL043751 Sood Theinat, 2020, Lunar lava tubes: morphology to structural stability, Icarus, 338, 113442, 10.1016/j.icarus.2019.113442 Tooley, 2010, Lunar reconnaissance orbiter Mission and spacecraft design, Space Sci. Rev., 150, 23, 10.1007/s11214-009-9624-4 Wagner, 2019, 3D modeling of lunar pit walls from stereo images, 2138 Wessel, 1998, New, improved version of generic mapping tools released, EOS Trans. Am. Geophys. Union, 79, 579, 10.1029/98EO00426 Wieczorek, 2015 Wild-Pfeiffer, 2008, A comparison of different mass elements for use in gravity gradiometry, J. Geod., 82, 637, 10.1007/s00190-008-0219-8 Williams, 2000, A reassessment of the emplacement and erosional potential of turbulent, low-viscosity lavas on the moon, J. Geophys. Res. Atmos., 105, 20189, 10.1029/1999JE001220