P11B:
High-Silica Materials on Mars: Observations, Processes, and Analogs Posters
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Session ID#: 13512
Session Description:
Silica-rich rocks and regoliths/soils have been detected in many locations and geological settings on Mars, by rovers and orbiters, even though the composition of Mars’ surface averages that of low-silica basalt. These silica-rich materials may include igneous rocks, residua of leaching by acidic fluids, deposits from hot springs or lakes, and cemented regolith (e.g., silcrete). The formation mechanisms for all these silica-rich products require (or are promoted by) volatile species, especially water; thus, the recognition of silica-rich materials and an understanding of their origins has significant implications for the search for past habitable environments (and evidence for past or extant life) and for planetary protection. This Session will explore the diversity of silica-rich materials on Mars, hypotheses for their origins, terrestrial analogs, and implications for astrobiology and future exploration.
Primary Convener: Allan H Treiman, Lunar and Planetary Institute, Houston, TX, United States
Convener: Elizabeth B Rampe, NASA Johnson Space Center, Houston, TX, United States
Chairs: Elizabeth B Rampe, NASA Johnson Space Center, Houston, TX, United States and Allan H Treiman, Lunar and Planetary Institute, Houston, TX, United States
OSPA Liaison: Elizabeth B Rampe, NASA Johnson Space Center, Houston, TX, United States
Cross-Listed:
Abstracts Submitted to this Session:
Melanie Thiriet1, Chloe Michaut1 and Doris Breuer2, (1)Institut de Physique du Globe de Paris, Paris, France, (2)German Aerospace Center DLR Berlin, Institute of Planetary Research, Berlin, Germany
Nicole Danielle Chase, Portland State University, Portland, OR, United States
Mitchell Kirshner, Worcester Polytechnic Institute, Worcester, MA, United States and Donna M Jurdy, Northwestern University, Earth and Planetary Science, Evanston, IL, United States
Vivian Zheng Sun, NASA Jet Propulsion Laboratory, Pasadena, United States and Ralph Milliken, Brown University, Providence, United States
Gabriel L. Eggers, Georgia Institute of Technology Main Campus, Atlanta, GA, United States, James J Wray, Georgia Institute of Technology, Atlanta, GA, United States and Josef Dufek, University of Oregon, Department of Earth Sciences, Eugene, OR, United States
Richard V Morris1, David T Vaniman2, Douglas W Ming1, Trevor G. Graff3, Robert T Downs4, Kim Fendrich4 and Stanley A Mertzman5, (1)NASA Johnson Space Center, Houston, TX, United States, (2)Planetary Science Institute Tucson, Tucson, AZ, United States, (3)Jacobs Technology, NASA Johnson Space Center, Houston, TX, United States, (4)University of Arizona, Department of Geosciences, Tucson, AZ, United States, (5)Franklin and Marshall College, Department of Earth and Environment, Lancaster, PA, United States
Jeffrey Roy Johnson, Johns Hopkins University, Baltimore, MD, United States, Edward Cloutis, University of Winnipeg, Department of Geography, Winnipeg, MB, Canada, Abigail Fraeman, California Institute of Technology, Pasadena, United States, Roger C Wiens, Space Science and Applications, Los Alamos, United States, Sylvestre Maurice, IRAP, CNRS, Université de Toulouse, UPS-OMP, Toulouse, France, Diana L Blaney, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States and Olivier Gasnault, IRAP, CNRS, Université de Toulouse, UPS-OMP, Toulouse Cedex 4, France
Roger C Wiens1,2, Jens Frydenvang3, Jessica A Watkins4, Nicolas Mangold5, Laetitia Le Deit5, Diana L Blaney6, John Bridges7, Olivier Forni8, Patrick James Gasda9, Olivier Gasnault10, Nina Lanza3, Sylvestre Maurice11, Ralph Milliken12, Horton E Newsom13, Ann Ollila3 and Ashwin R Vasavada14, (1)Space Science and Applications, Los Alamos, United States, (2)Purdue University, West Lafayette, United States, (3)Los Alamos National Laboratory, Los Alamos, NM, United States, (4)California Institute of Technology, Pasadena, CA, United States, (5)LPGN Laboratoire de Planétologie et Géodynamique de Nantes, Nantes Cedex 03, France, (6)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, (7)University of Leicester, Leicester, United Kingdom, (8)Institut de Recherche en Astrophysique et Planétologie (IRAP), Toulouse, France, (9)Los Alamos National Laboratory, Los Alamos, United States, (10)IRAP, CNRS, Université de Toulouse, UPS-OMP, Toulouse Cedex 4, France, (11)IRAP, CNRS, Université de Toulouse, UPS-OMP, Toulouse, France, (12)Brown University, Providence, United States, (13)University of New Mexico Main Campus, Albuquerque, NM, United States, (14)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, United States
Craig J Hardgrove, Arizona State University, Tempe, AZ, United States and Travis Gabriel, Arizona State University, Tempe, United States
Kenneth S Edgett1, Kirsten Siebach2, John P Grotzinger3, Ezat Heydari4, Gillian M Krezoski1, Megan R Kennedy5 and Deirdra M Fey1, (1)Malin Space Science Systems, San Diego, CA, United States, (2)Stony Brook University, Department of Geosciences, Stony Brook, NY, United States, (3)California Institute of Technology, Pasadena, CA, United States, (4)Jackson State University, Dept. of Physics, Atmospheric Sciences, & Geoscience, Jackson, MS, United States, (5)Malin Space Science Systems, San Diego, United States
Douglas W Ming1, Albert S Yen2, Ralf Gellert3, Brad Sutter4, Jeffrey A Berger3, Lucy M Thompson5, Mariek E Schmidt6, Richard V Morris1 and Allan H Treiman7, (1)NASA Johnson Space Center, Houston, TX, United States, (2)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (3)University of Guelph, Guelph, ON, Canada, (4)Jacobs Technology, NASA Johnson Space Center, Houston, TX, United States, (5)University of New Brunswick, Fredericton, NB, Canada, (6)Brock University, St Catharines, ON, Canada, (7)Lunar and Planetary Institute, Houston, TX, United States
Steven W Ruff, Arizona State University, School of Earth and Space Exploration, Tempe, United States and Jack D Farmer, Arizona State University, School of Earth and Space Exploration, Tempe, AZ, United States
Amy McAdam1, Christine A Knudson2, Brad Sutter3, Slavka C Andrejkovicova4, Paul Archer Jr.3, Heather B. Franz5, Jennifer L Eigenbrode1, Richard V Morris6, Douglas W Ming6, Vivian Zheng Sun7, Ralph Milliken8, Mary Beth Wilhelm9, Paul R Mahaffy10 and Rafael Navarro-Gonzalez11, (1)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (2)CRESST/University of Maryland College Park, College Park, MD, United States, (3)Jacobs Technology, NASA Johnson Space Center, Houston, TX, United States, (4)Universities Space Research Association Greenbelt, Greenbelt, MD, United States, (5)NASA Goddard Space Flight Center, Center for Research and Exploration in Space Science and Technology, Greenbelt, MD, United States, (6)NASA Johnson Space Center, Houston, TX, United States, (7)NASA Jet Propulsion Laboratory, Pasadena, United States, (8)Brown University, Providence, United States, (9)NASA Ames Research Center, Moffett Field, United States, (10)NASA Goddard Space Flight Center, Greenbelt, United States, (11)Universidad Nacional Autonoma de Mexico, Instituto de Ciencias Nucleares, Mexico City, DF, Mexico
Elizabeth B Rampe1, Richard V Morris2, Douglas W Ming2, Trevor G. Graff3, Robert T Downs4 and Tanya Peretyazhko3, (1)NASA Johnson Space Center, Astromaterials Research and Exploration Science Division, Houston, TX, United States, (2)NASA Johnson Space Center, Houston, TX, United States, (3)Jacobs Technology, NASA Johnson Space Center, Houston, TX, United States, (4)University of Arizona, Department of Geosciences, Tucson, AZ, United States
