Hydrothermal Signatures at Gale Crater, Mars, and Possible In-Situ Formation of Tridymite

Albert S Yen1, Richard V Morris2, Ralf Gellert3, Jeffrey A Berger3, Brad Sutter4, Robert T Downs5, Thomas Bristow6, Allan H Treiman7, Douglas W Ming2, Cherie Achilles8, David Frederick Blake9, Steve Chipera10, Benton C Clark11, Patricia Craig12, Shaunna M Morrison13, Elizabeth B Rampe2, Mariek E Schmidt14, Susanne P Schwenzer15, Lucy M Thompson16, David T Vaniman17 and MSL Science Team, (1)Jet Propulsion Laboratory, Pasadena, CA, United States, (2)NASA Johnson Space Center, Houston, TX, United States, (3)University of Guelph, Guelph, ON, Canada, (4)Amentum, NASA Johnson Space Center, Houston, United States, (5)University of Arizona, Tucson, AZ, United States, (6)NASA Ames Research Center, Moffett Field, United States, (7)Lunar & Planetary Inst, Houston, TX, United States, (8)University of Arizona, Geosciences, Tucson, AZ, United States, (9)NASA Ames Research Center, Exobiology Branch, Moffett Field, CA, United States, (10)Chesapeake Energy, Oklahoma City, OK, United States, (11)Space Science Institute Boulder, Boulder, CO, United States, (12)Lunar and Planetary Institute, Houston, TX, United States, (13)Carnegie Institution for Science Washington, Geophysical laboratory, Washington, DC, United States, (14)Brock University, St Catharines, ON, Canada, (15)Open University, AstrobiologyOU, Milton Keynes, United Kingdom, (16)University of New Brunswick, Fredericton, NB, Canada, (17)Planetary Science Institute, Tuscon, United States