P038
The New Mars Underground 2.0: Towards a 3D Understanding of the Martian Crustal Subsurface

Session ID#: 83347

Session Description:
The Martian crustal subsurface encompasses a wide range of environments at depths from ~centimeters to kilometers. These environments are relatively unexplored but are of enormous interest for planetary science. Recent results, e.g., methane fluctuations, radar data that are consistent with liquid subsurface water, and ongoing debates on RSL, all point to dynamic subsurface environments. We invite contributions that address the nature and diversity of Mars crustal subsurface environments (modeling, experiments, observations) or develop the tools/missions for exploring them (sounding, access, in situ analysis). We are particularly interested in contributions that advance our understanding of how the subsurface changes with geographic location and depth, in respect to: volatiles such as brines, ices, clathrates, salts, methane and oxidants, the potential for extant life and the preservation of signs of extinct life, the redox potential of past and present environments, and the technologies/mission concepts that enable such subsurface exploration.
Index Terms:

1829 Groundwater hydrology [HYDROLOGY]
5215 Origin of life [PLANETARY SCIENCES: ASTROBIOLOGY]
6225 Mars [PLANETARY SCIENCES: SOLAR SYSTEM OBJECTS]
6297 Instruments and techniques [PLANETARY SCIENCES: SOLAR SYSTEM OBJECTS]

Primary Convener:  Vlada Stamenkovic, Jet Propulsion Laboratory, Pasadena, CA, United States
Conveners:  Nina Lanza, Los Alamos National Laboratory, Los Alamos, NM, United States, Kris Zacny, Honeybee Robotics, Exploration Technology Group, Pasadena, CA, United States and John F Mustard, Brown University, Department of Earth, Environmental and Planetary Sciences, Providence, RI, United States
Primary Liaison:  Vlada Stamenkovic, Jet Propulsion Laboratory, Pasadena, CA, United States
 
Quantifying the Water Stored in Hydrated Minerals on Mars (541658)
Liza Wernicke, University of Colorado at Boulder, Boulder, CO, United States and Bruce Martin Jakosky, University of Colorado Boulder, Boulder, CO, UNITED STATES
 
Historical Habitability of Mid- and High-Latitude Martian Ground Ice (545469)
Hanna G Sizemore, Planetary Science Institute Tucson, Tucson, AZ, United States, Vera Demchenko, University of Colorado at Boulder, Boulder, United States, Rachel Slank, University of Arkansas, Fayetteville, AR, United States, Aaron Zent, NASA Ames Research Center, Moffett Field, CA, United States, Alan W Rempel, University of Oregon, Eugene, OR, United States and David E Stillman, Southwest Research Institute, Boulder, CO, United States
 
The VALKYRIE Payload for Probing the Martian Subsurface (552429)
Michael Mischna, Jet Propulsion Laboratory, Pasadena, CA, United States, Vlada Stamenkovic, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, Nina Lanza, Los Alamos National Laboratory, Los Alamos, NM, United States, Robert E Grimm, Southwest Research Institute Boulder, Boulder, CO, United States, John F Mustard, Brown University, Department of Earth, Environmental and Planetary Sciences, Providence, RI, United States, Victoria J Orphan, California Institute of Technology, Pasadena, CA, United States, Karyn L Rogers, Rensselaer Polytechnic Institute, Troy, NY, United States, Kris Zacny, Honeybee Robotics, Exploration Technology Group, Pasadena, CA, United States, Barbara Sherwood Lollar, University of Toronto, Department of Earth Sciences, Toronto, ON, Canada, Benedicte Menez, Université de Paris, Institut de physique du globe de Paris, Paris, France, Tilman Spohn, International Space Science Institute, Bern, Switzerland, Ana-Catalina Plesa, German Aerospace Center DLR Berlin, Berlin, Germany, Joseph Michalski, University of Hong Kong, Hong Kong, Hong Kong and Magdalena R Osburn, Northwestern University, Earth and Planetary Sciences, Evanston, IL, United States
 
Geologic mapping in Henry Crater, Mars (552665)
Martha Michelle Mejia and Mackenzie D Day, University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, CA, United States
 
Mars Drilling: Development of a 1 m Class Rotary-Percussive Drill for Mars Permafrost (557357)
Gale Paulsen, Honeybee Robotics Pasadena, Pasadena, CA, United States and Kris Zacny, Honeybee Robotics, Exploration Technology Group, Pasadena, CA, United States
 
In-Situ Alteration of Organic Biosignatures in Perchlorate-Spiked Martian Regolith Analog (558335)
Joseph Razzell Hollis1, Teresa Fornaro2, William Rapin3, Jessica Wade4, Andrew Steele5, Rohit Bhartia1 and Luther W Beegle6, (1)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (2)Carnegie Institution for Science Washington, Washington, United States, (3)California Institute of Technology, Pasadena, CA, United States, (4)Imperial College London, Physics, London, United Kingdom, (5)Carnegie Institution for Science of Washington, Geophysical Laboratory, Washington, DC, United States, (6)JPL, Pasadena, CA, United States
 
Martian Dust Cover May Permit More Detailed Subsurface Discovery (558336)
Daniel Havlat1,2, Blake Irwin Maly1,3, Samuel Weston Courville1,4, Matthew Robert Perry1, Zachary Mason Bain1 and Nathaniel E Putzig1, (1)Planetary Science Institute, Lakewood, CO, United States, (2)Golden High School, Golden, CO, United States, (3)Arvada West High School, Arvada, CO, United States, (4)Colorado School of Mines, Golden, CO, United States
 
Geophysical Techniques to Differentiate Between RSL (Recurring Slope Lineae) Formation Mechanisms (559509)
David E Stillman1, Robert E Grimm2, Katherine Primm2 and Timothy I Michaels3, (1)Southwest Research Institute Boulder, Planetary Science Directorate, Boulder, CO, United States, (2)Southwest Research Institute Boulder, Boulder, CO, United States, (3)SETI Institute, Erie, CO, United States
 
Abzu: A Mission to Uncover the Origin of Organic Material on Mars (562716)
Mary Beth Wilhelm1, Antonio J. Ricco2, Dorothy Z. Oehler3, Goro Komatsu4, Alexis Palmero Rodriguez5, Michael Furlong2, Denise Buckner6, Jennifer G Blank1, Mark A Ditzler7, Paul R Mahaffy8, Jennifer L Eigenbrode9, Adrian E Southard10, Michel Nuevo1, Pablo Sobron11, Anuscheh Nawaz12, Evan J Eshelman13, Jessica E. Koehne2, Ross H Williams9, David Des Marais14, Terry Fong1, David Mauro15 and Jay Bookbinder1, (1)NASA Ames Research Center, Moffett Field, CA, United States, (2)NASA Ames Research Center, Moffett Field, United States, (3)Planetary Science Institute Tucson, Tucson, United States, (4)Univ Annunzio, Pescara, Italy, (5)Planetary Science Institute Tucson, Tucson, AZ, United States, (6)Blue Marble Space Institute of Science, Seattle, WA, United States, (7)NASA Ames Research Center, Exobiology Branch, Moffett Field, CA, United States, (8)NASA Goddard SFC, Greenbelt, MD, United States, (9)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (10)Universities Space Research Association Greenbelt, Greenbelt, MD, United States, (11)SETI Institute, Mountain View, CA, United States, (12)Applied Physics Laboratory University of Washington, Seattle, WA, United States, (13)NASA Ames Research Center, Mountain View, CA, United States, (14)NASA Ames, Mountain View, CA, United States, (15)Millennium Engineering & Integration, Moffett Field, CA, United States
 
WISDOM Calibration Methodology and Instrument Transfer Function Impact on Surface Permittivity Measurements and Depth Resolution (571165)
Dirk Plettemeier1, Christoph Statz1, Yun Lu1, Wolf-Stefan Benedix1, Sebastian Hegler1, Yann Hervé2, Nicolas Oudart2, Alice Anne Le Gall2, Charlotte Corbel2, Svein-Erik Hamran3 and Valerie Ciarletti4, (1)Dresden University of Technology, Dresden, Germany, (2)LATMOS Laboratoire Atmosphères, Milieux, Observations Spatiales, Guyancourt, France, (3)Norwegian Defence Research Establishment, Kjeller, Norway, (4)LATMOS Laboratoire Atmosphères, Milieux, Observations Spatiales, Paris Cedex 05, France
 
Mapping Subsurface Ice and Water on Mars with Magnetic Induction Spectrometer (573729)
Svein-Erik Hamran, University of Oslo, Oslo, Norway
 
Development of a Deep Drilling Probe with Integrated Deep-UV Fluorescence & Raman Spectrometer for Mars (574768)
Boleslaw Mellerowicz1, Evan Eshelman2, Gale Paulsen3, Michael Malaska2, John C Priscu4, William Abbey2, Ivria Doloboff2, Arthur L Lane5, Luther W Beegle6, Lauren P DeFlores7, Brandi L Carrier8, Joey Palmowski3, Peter Ngo9, Paul Chow10, Robert Huddleston10, Albert Ridilla10, Alexander Wang10, Jameil Bailey11, Huey Nguyen10, Rohit Bhartia2 and Kris Zacny11, (1)Simsbury, CT, United States, (2)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (3)Honeybee Robotics Pasadena, Pasadena, CA, United States, (4)Montana State University, Land Resources and Environmental Science, Bozeman, MT, United States, (5)JPL, Pasadena, United States, (6)JPL, Pasadena, CA, United States, (7)Jet Propulsion Laboratory, Pasadena, CA, United States, (8)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, (9)Honeybee Robotics, Pasadena, CA, United States, (10)Honeybee Robotics, Pasadena, United States, (11)Honeybee Robotics, Exploration Technology Group, Pasadena, CA, United States
 
The WISDOM radar on the ExoMars rover designed to provide 3D mapping of the shallow subsurface at Oxia Planum (577769)
Valerie Ciarletti1, Alice Anne Le Gall2, Dirk Plettemeier3, Yann Hervé2, Nicolas Oudart2, Charlotte Corbel2, Wolf-Stefan Benedix3, Svein-Erik Hamran4 and WISDOM team, (1)LATMOS Laboratoire Atmosphères, Milieux, Observations Spatiales, Paris Cedex 05, France, (2)LATMOS Laboratoire Atmosphères, Milieux, Observations Spatiales, Guyancourt, France, (3)Dresden University of Technology, Dresden, Germany, (4)Norwegian Defence Research Establishment, Kjeller, Norway
 
Could Life Have Arisen on Tharsis? An Analysis of the Electrochemical Environment of Early Martian High-Altitude Glaciers During Late Naochian Time (579567)
Joseph L Kirschvink, California Institute of Technology, Division of Geological and Planetary Sciences, Pasadena, CA, United States
 
Multimodal Investigations of Boron as a Biosignature (580492)
Betsy Pugel1, Heather Graham2, Melissa Floyd1 and Ann Parsons1, (1)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (2)Center for Research and Exploration in Space Sciences and Technology/University of Maryland, Department of Astronomy, College Park, MD, United States
 
Deep subsurface, Precambrian hypersaline environments as training sites for exploration of the Martian subsurface (581153)
Tullis C Onstott1, Thomas L Kieft2, Devan Nisson3, Oliver Warr4, Barbara Sherwood Lollar5, Barry M Freifeld6, Chui Yim Maggie Lau1, Hiroshi Ogasawara7, Susan Jane Webb8, Zachary K Garvin1, Rachel Lee Harris1, Errol Duncan Cason9, Julio Castillo Hernandez10, Jan-G Vermeulen10, Esta van Heerden11, Bennie Leibenberg12, Wesley Harrison13, Raymond J Durrheim13, Musa Siphiwe Manzi14 and Clifford C Walters15, (1)Princeton University, Department of Geosciences, Princeton, NJ, United States, (2)New Mexico Institute of Technology, Department of Biology, Socorro, NM, United States, (3)Princeton University, Princeton, NJ, United States, (4)University of Toronto, Department of Earth Sciences, Toronto, ON, Canada, (5)University of Toronto, Earth Sciences, Toronto, ON, Canada, (6)Lawrence Berkeley National Laboratory, Berkeley, CA, United States, (7)Ritsumeikan University, Kusathu, Japan, (8)Univ Witwatersrand, Johannesburg, South Africa, (9)University of the Free State, Department of Microbial, Biochemical and Food Technology, Bloemfontein, South Africa, (10)University of the Freestate, Department of Microbial, Biochemical and Food Technology, Bloemfontein, Free State, South Africa, (11)North-West University, Mahikeng, South Africa, (12)Leibenberg, Orkney, South Africa, (13)University of the Witwatersrand, School of Geosciences, Johannesburg, South Africa, (14)University of Witwatersrand, School of Geosciences, Wits, South Africa, (15)ExxonMobil Research and Engineering Company, Annandale, NJ, United States
 
Fast methane diffusion at the interface of two clathrate structures (588066)
livia Eleonora Bove, Roma, Latium, Italy, UmbertoLuca Ranieri, Ecole Polytechnique F_ed_erale de Lausanne, ICMP, EPSL, Lausanne, Switzerland, Michael Marek Koza, Institut Laue-Langevin, Grenoble, France, Werner F Kuhs, GeoZentrum Göttingen Abteilung Kristallographie, Universität Göttingen, Göttingen, Germany, Stefan Klotz, CNRS, Paris, France, Andrezji Falenty, University of Göttingen, Göttingen, Germany and Philippe Gillet, EPFL Swiss Federal Institute of Technology Lausanne, Lausanne, Switzerland
 
Detection and Likelihood of Subsurface Liquid Brines on Mars (588597)
Katie Primm, Southwest Research Institute Boulder, Boulder, CO, United States, David E Stillman, Southwest Research Institute, Boulder, CO, United States and Timothy I Michaels, SETI Institute, Erie, CO, United States
 
Radar mapping of buried water ice on Mars (590763)
Nathaniel E Putzig, Planetary Science Institute, Lakewood, CO, United States and Gareth A Morgan, Planetary Science Institute, Washington, DC, United States
 
Preparing to image the Martian subsurface: planetary active-source seismology vs. radar, and the ARES concept (590769)
Samuel Weston Courville1,2, Nathaniel E Putzig2, Paul C Sava1 and Matthew Robert Perry2, (1)Colorado School of Mines, Golden, CO, United States, (2)Planetary Science Institute, Lakewood, CO, United States
 
Emerging reconnaissance strategies to enable human missions to Mars with a focus on on subsurface ice and hydrated minerals on Mars as seen from the Mars Exploration Program and the International Mars Exploration Working Group. (591782)
Richard McGuire Davis, NASA Headquarters, Washington, DC, United States
 
Robotic Exploration of Planetary Subsurface Voids in Search for Life (598427)
Ali Agha, NASA-JPL, Caltech, Pasadena, CA, United States
 
The Northern Terminus of Ground-Ice Detections in Arcadia Planitia on Mars May Be Attributable to Surface Effects (606194)
Blake Irwin Maly1,2, Daniel Havlat2,3, Zachary Mason Bain2, Matthew Robert Perry2, Nathaniel E Putzig2 and Samuel Weston Courville2,4, (1)Arvada West High School, Arvada, CO, United States, (2)Planetary Science Institute, Lakewood, CO, United States, (3)Golden High School, Golden, CO, United States, (4)Colorado School of Mines, Golden, CO, United States
 
Impact Structures as Windows into a Putatively Habitable Martian Subsurface (607508)
Haley M Sapers, California Institute of Technology, Pasadena, CA, United States, Alexandra Pontefract, Massachusetts Institute of Technology, Earth, Atmospheric and Planetary Sciences, Cambridge, MA, United States, Charles S Cockell, University of Edinburgh, UK Centre for Astrobiology, School of Physics and Astronomy, Edinburgh, United Kingdom and Gordon Osinski, University of Western Ontario, Earth Sciences, London, ON, Canada; University of Western Ontario, Dept. of Earth Sciences / Centre for Planetary Science and Exploration, London, ON, Canada
 
CHARACTERIZING THE INVENTORY OF NON-POLAR ICE RESERVOIRS ON MARS (608207)
Gareth A Morgan, Planetary Science Institute, Washington, DC, United States and Nathaniel E Putzig, Planetary Science Institute, Lakewood, CO, United States
 
Signatures of Intact Lava Tubes on the Western Flank of Alba Mons in Mars Reconnaissance Orbiter Shallow Radar (SHARAD) Data (608857)
Matthew Robert Perry1, Samuel Weston Courville2, Zachary Mason Bain1, Nathaniel E Putzig1, David A Crown3 and Stephen P. Scheidt4, (1)Planetary Science Institute, Lakewood, CO, United States, (2)Colorado School of Mines, Golden, CO, United States, (3)Planetary Science Institute, Tucson, AZ, United States, (4)Planetary Science Institute, Tucson, United States
 
Natural Environmental Variability Effects on Microbial Life and Mineralogy: Earth Caves vs. Mars Caves (610217)
Penelope Jane Boston, NASA Ames Research Center, Moffett Field, CA, United States
 
Searching for Evidence of Subsurface Life in Martian Ground Ice: Why and How? (615849)
Carol Stoker, NASA Ames Research Center, Moffett Field, CA, United States
 
Mobile Instruments for Mars Exploration (MIMEs) (Characterizing Recurring Slope Linea) (620259)
Kalind Carpenter1, Aaron Craig Noell2, Lance E Christensen2, Aaron Zent3 and Richard C. Quinn3, (1)Jet Propulsion Laboratory, Pasadena, United States, (2)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (3)NASA Ames Research Center, Moffett Field, CA, United States
 
Searching for Liquid Water in the Martian Deep with TH2OR (622236)
Mariko S Burgin1, Vlada Stamenkovic2, Robert E Grimm3, Darmin Arumugam4, Robert Beauchamp5, Nathan Barba6, Raju Manthena7, Dean Wright8, Brian H. Wilcox9, Kalind Carpenter7 and Charles D Edwards1, (1)Jet Propulsion Laboratory, Pasadena, CA, United States, (2)MIT, Cambridge, MA, United States, (3)Southwest Research Institute Boulder, Boulder, CO, United States, (4)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (5)Colorado State University, 1373 Campus, Fort Collins, CO, United States, (6)JPL, Pasadena, United States, (7)Jet Propulsion Laboratory, Pasadena, United States, (8)JPL / University of Texas at Austin, Pasadena, United States, (9)JPL/NASA/Caltech, Pasadena, United States
 
Localizing the most probable source regions of Martian methane detected by Curiosity and PFS in June 2013 (622432)
Sebastien Viscardy1, Frank Daerden1, Lori Neary2, Marco Giuranna3, Giuseppe Etiope4 and Dorothy Z. Oehler5, (1)Royal Belgian Institute for Space Aeronomy, Brussels, Belgium, (2)Royal Belgian Insitute for Space Aeronomy, Brussels, Belgium, (3)IAPS-INAF, Rome, Italy, (4)INGV National Institute of Geophysics and Volcanology, Rome, Italy, (5)Planetary Science Institute Tucson, Tucson, United States
 
Warming of the Martian deep subsurface by topography (624915)
Tyler Powell1, Lior Rubanenko1 and David A Paige2, (1)University of California Los Angeles, Los Angeles, CA, United States, (2)University of California Los Angeles, Department of Earth, Planetary, and Space Sciences, Los Angeles, CA, United States
 
Modern Tools for Planetary Science: Using Laser Scanning Mapping Techniques for 3D Registration of Sample Locations in Lava Caves (625114)
Maris Picher Kanouff1, Christopher JS Patterson2, Uland Wong3 and Jennifer G Blank3, (1)George Mason University, Fairfax, VA, United States, (2)McGuill University, Montreal, Canada, (3)NASA Ames Research Center, Moffett Field, CA, United States
 
Using Mars Reconnaissance Orbiter (MRO) Shallow Radar (SHARAD) Sounder Surface Reflections to Understand Different Crater Morphologies (625123)
Zachary Mason Bain1, Nathaniel E Putzig1, Gareth A Morgan2 and Stuart J Robbins3, (1)Planetary Science Institute, Lakewood, CO, United States, (2)Planetary Science Institute Tucson, Tucson, DC, United States, (3)Southwest Research Institute, Boulder, CO, United States
 
Preparing for Robotic Astrobiology Missions to Lava Caves on Mars: The BRAILLE Project’s Mars Science Mission Simulation at Lava Beds National Monument (N. CA, USA) (630012)
Jennifer G Blank, NASA Ames Research Center, Moffett Field, CA, United States
 
Magnetite Controls Ice Nucleation, So Why Don’t Supercooled Brines on Mars Freeze? (632819)
Atsuko Kobayashi, Tokyo Institute of Technology, Earth-Life Science Institute, Ōokayama, Meguro, Tokyo, Japan
 
Low-cost Mars surface exploration using the SHIELD lander concept (633463)
Nathan Barba1, Louis Giersch2, Vlada Stamenkovic3, Velibor Cormarkovic2, Tomas Komarek4 and Charles D Edwards5, (1)JPL/NASA/Caltech, Pasadena, CA, United States, (2)JPL/NASA/Caltech, Pasadena, United States, (3)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, (4)JPL, Pasadena, United States, (5)Jet Propulsion Laboratory, Pasadena, CA, United States
 
Possible Evidence for Electrically Conducting Liquid Water on Mars at Low Latitude? (493196)
Yanan Yu1, Christopher T Russell1, Steven P Joy1, Peter J Chi1, Catherine Johnson2, Anna Mittelholz3, Matthew O. Fillingim4, W Bruce Banerdt5 and Suzanne E Smrekar5, (1)University of California Los Angeles, Department of Earth Planetary and Space Sciences, Los Angeles, CA, United States, (2)University of British Columbia, Department of Earth, Ocean and Atmospheric Sciences, Vancouver, BC, Canada, (3)University of British Columbia, Department of Earth, Ocean and Atmospheric Science, Vancouver, BC, Canada, (4)University of California, Berkeley, CA, United States, (5)NASA Jet Propulsion Laboratory, Pasadena, CA, United States
 
The Influence of Climate, H2O Inventory, Glacial Flow, and Crustal Heterogeneity, on the Polar Recharge of an Early Hesperian Subpermafrost Aquifer on Mars. (497125)
Stephen M Clifford, Planetary Science Institute, Tucson, TX, United States, Robin Wordsworth, Harvard University, School of Engineering and Applied Sciences, Cambridge, MA, United States and Ralf Greve, Hokkaido University, Institute of Low Temperature Science, Sapporo, Japan
 
A Recipe for Groundwater on Mars (499645)
Lujendra Ojha, Rutgers University New Brunswick, New Brunswick, NJ, United States, Suniti Karunatillake, Louisiana State University, Baton Rouge, LA, United States and Yu Qiao, University of California San Diego, La Jolla, United States
 
Pervasive water-rich, fracture-associated alteration halos in Gale crater, Mars (503927)
Travis S. J. Gabriel1, Craig Hardgrove1, Cherie Achilles2, Elizabeth B Rampe3, Sean Czarnecki1, William Rapin4, Suzanne Nowicki5, Lucy M Thompson6, Sergei Nikiforov7, Maxim L Litvak7, Igor G. Mitrofanov7 and Jens Frydenvang8, (1)Arizona State University, Tempe, AZ, United States, (2)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (3)NASA Johnson Space Center, Houston, TX, United States, (4)California Institute of Technology, Pasadena, CA, United States, (5)Los Alamos National Laboratory, Los Alamos, NM, United States, (6)University of New Brunswick, Fredericton, NB, Canada, (7)Space Research Institute RAS, Moscow, Russia, (8)Natural History Museum of Denmark, Copehagen, Denmark
 
Follow the Methane: Pushing Methanogens to the Extreme to Understand the Limits of Biological Methanogenesis Under Simulated Martian Subsurface Conditions (509994)
Rachel Lee Harris1, Yuri Tamama1, Jana M. Suriano2, Wei Wang3, Andrew C. Schuerger4 and Tullis C Onstott1, (1)Princeton University, Department of Geosciences, Princeton, NJ, United States, (2)University of Wisconsin Stevens Point, Soil and Waste Resources, Stevens Point, WI, United States, (3)Princeton University, Genomics Core Facility, Princeton, NJ, United States, (4)University of Florida, Department of Plant Pathology, Gainesville, FL, United States
 
The Martian Underground: Sites of potential methane generation, accumulation, and release (Invited) (512053)
Dorothy Z. Oehler, Planetary Science Institute, Tucson, AZ, United States and Giuseppe Etiope, INGV National Institute of Geophysics and Volcanology, Rome, Italy
 
Effects of Shock Metamorphism on Clay Minerals Exhumed from the Martian Subsurface by Meteor Impact (515913)
Joseph Michalski, University of Hong Kong, Hong Kong, Hong Kong
 
Detecting Signatures of Ancient Life on Mars: Analysis of SHERLOC with microbes and organics in Martian soil matrix (516595)
Hemani Kalucha1, Renxing Liang2, Tullis C Onstott2, Joseph Razzell Hollis3, William Abbey3, Luther W Beegle3,4 and Rohit Bhartia3, (1)Princeton, NJ, United States, (2)Princeton University, Department of Geosciences, Princeton, NJ, United States, (3)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (4)JPL, Pasadena, CA, United States
 
Investigating Boron in Clay-Rich Units on Mars using Active Neutron Analysis (518349)
Patrick James Gasda1, Sean Czarnecki2, Craig Hardgrove2, Sophie Festal3 and Suzanne Nowicki1, (1)Los Alamos National Laboratory, Los Alamos, NM, United States, (2)Arizona State University, Tempe, AZ, United States, (3)Ecole Nationale Supérieure d’Ingérieursde Caen, Caen, France
 
Finding Deep Groundwater on Mars: Geophysics to Guide the Drill (Invited) (518367)
Robert E Grimm, Southwest Research Institute Boulder, Planetary Science Directorate, Boulder, CO, United States
 
Investigation on Photogrammetry and LiDAR Models for Caves/Mines 3D Reconstruction (520307)
Levi Welington de Resende Filho1, Jaco DIAS Domingues2, Hector Azpurua2, Rosa Elvira Correa Pabón3 and Gustavo Pessin2, (1)Federal University of Ouro Preto, PROFICAM, Ouro Preto, Brazil, (2)ITV Instituto Tecnológico Vale, Robotics Lab, Ouro Preto, Brazil, (3)ITV Instituto Tecnológico Vale, Robotics Lab, Ouro Petro, Brazil
 
Martian Near-Surface S and Cl Brines in Fractured and Porous Regolith Could Trigger Microscale Soil Collapse and Cause Recurring Slope Lineae (521064)
Janice L Bishop1, Christian Koeberl2, Peter A J Englert3, Jonathan Toner4, Virginia Gulick1, Zachary F. M. Burton5, Everett K Gibson6 and Alfred S McEwen7, (1)SETI Institute, & NASA Ames, Mountain View, CA, United States, (2)University of Vienna, Vienna, Austria, (3)Univ Hawaii Manoa, Honolulu, HI, United States, (4)University of Washington, Seattle, WA, United States, (5)Stanford University, Stanford, CA, United States, (6)NASA Johnson Space Center, Houston, TX, United States, (7)University of Arizona, Tucson, AZ, United States
 
A Global Modeling Approach for “Subsurface-Driven” Landing Site Selection (527440)
Vlada Stamenkovic1, Doris Breuer2 and Ana-Catalina Plesa2, (1)Jet Propulsion Laboratory, Pasadena, CA, United States, (2)German Aerospace Center DLR Berlin, Berlin, Germany
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