P070
Water, Habitability, and Curiosity’s Exploration near the Greenheugh Pediment, a Major Unconformity on Mount Sharp, Gale Crater, Mars I

Tuesday, 15 December 2020: 05:30-06:30
Virtual
Primary Convener:  Ashwin R Vasavada, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States and Mars Science Laboratory Science Team
Conveners:  Abigail Fraeman, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, Michael A Meyer, NASA HQ, Washington, DC, United States and Mars Science Laboratory Science Team
Primary Liaison:  Ashwin R Vasavada, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States and Mars Science Laboratory Science Team
Chairs:  Ashwin R Vasavada, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, Abigail Fraeman, California Institute of Technology, Pasadena, CA, United States, Michael A Meyer, NASA HQ, Washington, DC, United States and Mars Science Laboratory Science Team
OSPA Liaison:  Ashwin R Vasavada, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States and Mars Science Laboratory Science Team
05:30
P070-01
New evidence for climate and erosion history in Gale crater, Mars, from Curiosity’s ascent onto the Greenheugh pediment (771042)
Alexander B Bryk1, William E Dietrich1, Michael P. Lamb2, John P Grotzinger3, Ashwin R Vasavada4, Kathryn Stack5, Ray E Arvidson6, Christopher Fedo7, Valerie K Fox8, Kristen A Bennett9, Sanjeev Gupta10, Roger C Wiens11, Rebecca M. E. Williams12, Rachel Kronyak13, Kevin W Lewis14, David M Rubin15, William Rapin16, Laetitia Le Deit17, Stephane Le Mouelic18, Kenneth S Edgett19, Abigail Fraeman2, Steven Banham20, Candice Bedford21, Madison N Hughes22, Linda C Kah23, Jennifer L Eigenbrode24 and Gwénaël Caravaca25, (1)University of California Berkeley, Earth and Planetary Science, Berkeley, CA, United States, (2)California Institute of Technology, Pasadena, CA, United States, (3)Caltech, Pasadena, CA, United States, (4)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, (5)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (6)Washington University in St Louis, Department of Earth and Planetary Sciences, St. Louis, MO, United States, (7)University of Tennessee, Department of Earth and Planetary Sciences, Knoxville, TN, United States, (8)University of Minnesota, Earth and Environmental Sciences, Minneapolis, MN, United States, (9)Arizona State University, Tempe, AZ, United States, (10)Imperial College London, Earth Science and Engineering, London, United Kingdom, (11)Space Science and Applications, Los Alamos, NM, United States, (12)Planetary Science Institute Tucson, Tucson, AZ, United States, (13)Jet Propulsion Laboratory California Institute of Technology, Pasadena, California, United States, (14)Johns Hopkins University, Morton K. Blaustein Department of Earth & Planetary Sciences, Baltimore, MD, United States, (15)University of California-Santa Cruz, Santa Cruz, CA, United States, (16)Universite de Toulouse, Toulouse Cedex 4, France, (17)University of Nantes, Nantes, France, (18)CNRS, Paris Cedex 16, France, (19)Malin Space Science Systems, San Diego, CA, United States, (20)Imperial College London, London, SW7, United Kingdom, (21)Lunar and Planetary Institute, Houston, United States, (22)Washington University, Earth & Planetary Sciences, Saint Louis, MO, United States, (23)University of Tennesse, Earth and Planetary Sciences, Knoxville, TN, United States, (24)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (25)University of Nantes, Laboratory of Planetology and Geodynamics, Nantes, France
05:33
P070-02
Alpha Particle X-ray Spectrometer (APXS) (MSL) Analysis of the Glen Torridon Clay Rich Units, below the Greenheugh Pediment, Gale Crater, Mars (748549)
Catherine O'Connell-Cooper1, John G Spray1, Lucy M Thompson1, Ralf Gellert2, Jeffrey A Berger3, Nicholas Boyd2, Michael McCraig2 and Scott VanBommel4, (1)University of New Brunswick, Fredericton, NB, Canada, (2)University of Guelph, Guelph, ON, Canada, (3)NASA Johnson Space Center, Houston, TX, United States, (4)Washington University in St. Louis, St. Louis, United States
05:36
P070-03
Mineralogy of the Glen Torridon Region as detailed by the Mars Science Laboratory CheMin Instrument (700645)
Michael Thorpe1, Thomas Bristow2, Elizabeth B Rampe3, David Frederick Blake2, David Vaniman4, Albert Yen5, Cherie Achilles6, Steve Chipera7, Robert T Downs8, Douglas W Ming3, Richard V Morris3, Shaunna M Morrison9, Valerie Tu10, David J Des Marais11, Kirsten Siebach12, John P Grotzinger13, Robert Hazen9, Allan H Treiman14, Nicholas Castle15, Patricia L Craig16, Gordon W Downs17 and Tanya Peretyazhko18, (1)NASA Postdoctoral Program, NASA Johnson Space Center, Houston, TX, United States, (2)NASA Ames Research Center, Moffett Field, CA, United States, (3)NASA Johnson Space Center, Houston, TX, United States, (4)Planetary Science Institute, Tuscon, CA, United States, (5)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (6)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (7)Chesapeake Energy, Oklahoma City, OK, United States, (8)University of Arizona, Tucson, AZ, United States, (9)Carnegie Institution for Science, Earth and Planets Laboratory, Washington, DC, United States, (10)Jacobs at NASA Johnson Space Center, Houston, United States, (11)NASA Ames Research Center, Exobiology Branch, Moffett Field, CA, United States, (12)Rice University, Earth, Environmental, and Planetary Sciences, Houston, TX, United States, (13)Caltech, Pasadena, CA, United States, (14)Lunar & Planetary Inst, Houston, TX, United States, (15)Planetary Science Institute, Tucson, United States, (16)Planetary Science Institute, Tuscon, AZ, United States, (17)University of Arizona, Tucson, United States, (18)Jacobs Technology, NASA Johnson Space Center, Houston, TX, United States
05:39
P070-04
Constraints on the Depositional and Diagenetic History of the Glen Torridon Clay-Bearing Unit from the Mars Science Laboratory Sample Analysis at Mars Instrument Suite (761549)
Amy McAdam1, Brad Sutter2, Doug Archer Jr.2, Heather B. Franz1, Jennifer L Eigenbrode1, Christine A Knudson1,3, James M. T. Lewis1,4, Greg M Wong5, Maëva Millan1,6, Slavka C Andrejkovicova7, Joanna Victoria Hogancamp2, Amy J Williams8, Caroline Freissinet9, Daniel Patrick Glavin10, Jennifer C Stern1, Rafael Navarro-Gonzalez11, Cherie Achilles1, Douglas W Ming12, Richard V Morris12, Thomas Bristow13, Elizabeth B Rampe12, Alexander B Bryk14, Sarah Johnson6, Paul R Mahaffy1 and Charles Malespin1, (1)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (2)Jacobs Technology, NASA Johnson Space Center, Houston, TX, United States, (3)CRESST/University of Maryland College Park, College Park, MD, United States, (4)Center for Research and Exploration in Space Science and Technology, Howard University, Washington, DC, United States, (5)Pennsylvania State University, University Park, PA, United States, (6)Georgetown University, Washington, DC, United States, (7)Geosciences Department, Aveiro University, Aveiro, Portugal, (8)University of Florida, Department of Geological Sciences, Ft Walton Beach, FL, United States, (9)LATMOS Laboratoire Atmosphères, Milieux, Observations Spatiales, Paris Cedex 05, France, (10)NASA Goddard Space Flight Center, Solar System Exploration Division, Greenbelt, MD, United States, (11)Universidad Nacional Autonoma de Mexico, Mexico City, EM, Mexico, (12)NASA Johnson Space Center, Houston, TX, United States, (13)NASA Ames Research Center, Moffett Field, CA, United States, (14)University of California Berkeley, Earth and Planetary Science, Berkeley, CA, United States
05:42
P070-05
The Search for Fatty Acids on Mars: Results from the First In Situ Thermochemolysis Experiment at Gale Crater, Mars (Invited) (665477)
Amy J Williams1, Jennifer L Eigenbrode2, Ross H Williams3, Arnaud Buch4, Samuel Teinturier2, Maëva Millan2,5, Daniel Patrick Glavin6, Caroline Freissinet7, Cyril Szopa8, Sarah Johnson5, Christine A Knudson9, James M. T. Lewis10, Amy McAdam11, Rafael Navarro-Gonzalez12, Roger E Summons13, Valerie K Fox14, Alexander B Bryk15, William B Brinckerhoff16, Charles Malespin2 and Paul R Mahaffy11, (1)University of Florida, Department of Geological Sciences, Ft Walton Beach, FL, United States, (2)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (3)Center for Research and Exploration in Space Science and Technology, University of Maryland, NASA Goddard Space Flight Center, Greenbelt, MD, United States, (4)CentraleSupelec, Gif-sur-Yvette, France, (5)Georgetown University, Washington, DC, United States, (6)NASA Goddard Space Flight Center, Solar System Exploration Division, Greenbelt, MD, United States, (7)LATMOS Laboratoire Atmosphères, Milieux, Observations Spatiales, Paris Cedex 05, France, (8)Université Versailles St-Quentin, Sorbonne Universités, UPMC Univ. Paris 06, CNRS, LATMOS Laboratoire Atmosphères, Milieux, Observations Spatiales, Paris, France, (9)CRESST/University of Maryland College Park, College Park, MD, United States, (10)Center for Research and Exploration in Space Science and Technology, Howard University, Washington, DC, United States, (11)NASA Goddard SFC, Greenbelt, MD, United States, (12)Universidad Nacional Autonoma de Mexico, Mexico City, EM, Mexico, (13)Massachusetts Institute of Technology, Earth, Atmospheric and Planetary Sciences, Cambridge, MA, United States, (14)University of Minnesota, Earth and Environmental Sciences, Minneapolis, MN, United States, (15)University of California Berkeley, Earth and Planetary Science, Berkeley, CA, United States, (16)NASA, Greenbelt, MD, United States
05:45
P070-06
Evidence for Mobile Element Recharge in the Murray Formation near the Siccar Point Unconformity (Glen Torridon, Gale Crater, Mars) (725688)
Erwin Dehouck1, Agnes Cousin2, Nicolas Mangold3, Olivier Forni2, Olivier Gasnault2, Pierre-Yves Meslin2, Patrick James Gasda4, Candice Ceilidh Bedford5, Jens Frydenvang6, Jeremie Lasue2, William Rapin7, Gaël David2, Sylvestre Maurice2 and Roger C Wiens4, (1)LGLTPE Laboratoire de Géologie de Lyon : Terre, Planètes et Environnement, Villeurbanne, France, (2)Institut de Recherche en Astrophysique et Planétologie (IRAP), Toulouse, France, (3)LPGN Laboratoire de Planétologie et Géodynamique de Nantes, Nantes Cedex 03, France, (4)Los Alamos National Laboratory, Los Alamos, NM, United States, (5)Lunar and Planetary Institute, Houston, TX, United States, (6)Univ. of Copenhagen, Natural History Museum of Denmark, Copenhagen, Denmark, (7)IMPMC Institut de Minéralogie et de Physique des Milieux Condensés, Paris Cedex 05, France
05:48
P070-07
Geochemical Processes Along and Above the Glen Torridon/Greenheugh Pediment, Unconformity, Gale Crater, Mars: Results from the Sample Analysis at Mars Instrument. (752637)
Brad Sutter1, Amy McAdam2, Doug Archer Jr.1, Douglas W Ming3, Jennifer L Eigenbrode4, Elizabeth B Rampe3, Joanna Victoria Hogancamp1, Tanya Peretyazhko1, Daniel Patrick Glavin5, Albert Yen6, Rafael Navarro-Gonzalez7, Charles Malespin4 and Paul R Mahaffy2, (1)Jacobs Technology, NASA Johnson Space Center, Houston, TX, United States, (2)NASA Goddard SFC, Greenbelt, MD, United States, (3)NASA Johnson Space Center, Houston, TX, United States, (4)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (5)NASA Goddard Space Flight Center, Solar System Exploration Division, Greenbelt, MD, United States, (6)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (7)Universidad Nacional Autonoma de Mexico, Mexico City, EM, Mexico
05:51
Discussion 1
06:11
P070-08
Reconstructing Martian environmental change across a major unconformity at Gale crater: sedimentology of the Stimson formation at the Greenheugh pediment (700893)
Steven Banham1, Sanjeev Gupta2, Alexander B Bryk3, David M Rubin4, Kenneth S Edgett5, William E Dietrich3, Gwénaël Caravaca6, Lauren A Edgar7 and Ashwin R Vasavada8, (1)Imperial College London, London, SW7, United Kingdom, (2)Imperial College London, Earth Science and Engineering, London, United Kingdom, (3)University of California Berkeley, Earth and Planetary Science, Berkeley, CA, United States, (4)University of California-Santa Cruz, Santa Cruz, CA, United States, (5)Malin Space Science Systems, San Diego, CA, United States, (6)University of Nantes, Laboratory of Planetology and Geodynamics, Nantes, France, (7)USGS, Astrogeology, Flagstaff, AZ, United States, (8)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States
06:14
P070-09
Mineralogy of the Greenheugh Pediment and Underlying Murray Formation from the Mars Science Laboratory CheMin Instrument (694592)
Elizabeth B Rampe1, Albert Yen2, Thomas Bristow3, David Frederick Blake3, David Vaniman4, Cherie Achilles5, Steve Chipera6, Robert T Downs7, Douglas W Ming1, Richard V Morris1, Shaunna M Morrison8, Michael Thorpe9, Valerie Tu10, David Des Marais11, John P Grotzinger12, Robert Hazen8, Allan H Treiman13, Nicholas Castle6, Patricia Craig14, Gordon W Downs15 and Tanya Peretyazhko16, (1)NASA Johnson Space Center, Houston, TX, United States, (2)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (3)NASA Ames Research Center, Moffett Field, CA, United States, (4)Planetary Science Institute, Tuscon, CA, United States, (5)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (6)Planetary Science Institute, Tucson, United States, (7)University of Arizona, Department of Geosciences, Tucson, AZ, United States, (8)Carnegie Institution for Science, Earth and Planets Laboratory, Washington, DC, United States, (9)NASA JSC, Houston, TX, United States, (10)Jacobs at NASA Johnson Space Center, Houston, United States, (11)NASA Ames, Mountain View, CA, United States, (12)Caltech, Pasadena, CA, United States, (13)Lunar & Planetary Inst, Houston, TX, United States, (14)Planetary Science Institute Tucson, Tucson, United States, (15)University of Arizona, Tucson, United States, (16)Jacobs Technology, NASA Johnson Space Center, Houston, TX, United States
06:17
P070-10
Identifying ancient dune processes in the Stimson formation of Gale crater from the Greenheugh pediment to the Emerson Plateau using geochemical data from ChemCam. (Invited) (665435)
Candice Ceilidh Bedford1,2, Steven Banham3, Donald L. Bowden4, John Bridges4, Olivier Forni5, Agnes Cousin6, Patrick James Gasda7, Elizabeth B Rampe2, Olivier Gasnault8, Erwin Dehouck9, Jens Frydenvang10, Roger C Wiens11, Rebecca Smith12, Susanne P Schwenzer13 and Alexander B Bryk14, (1)Lunar and Planetary Institute, Houston, TX, United States, (2)NASA Johnson Space Center, Houston, TX, United States, (3)Imperial College London, London, SW7, United Kingdom, (4)University of Leicester, Leicester, United Kingdom, (5)IRAP-CNRS, Toulouse Cedex 4, France, (6)Institut de Recherche en Astrophysique et Planétologie (IRAP), Toulouse, France, (7)Los Alamos National Laboratory, Los Alamos, NM, United States, (8)Universite de Toulouse, Toulouse Cedex 4, France, (9)University Paul Sabatier, Institut de Recherche en Astrophysique et Planétologie, Toulouse, France, (10)Univ. of Copenhagen, Natural History Museum of Denmark, Copenhagen, Denmark, (11)Space Science and Applications, Los Alamos, NM, United States, (12)Stony Brook University, Geosciences, Stony Brook, NY, United States, (13)The Open University, AstrobiologyOU, Milton Keynes, United Kingdom, (14)University of California Berkeley, Earth and Planetary Science, Berkeley, CA, United States
06:20
Discussion 2
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