Habitability of the early martian crust as constrained by hydrothermal alteration of a mafic dike

ALTERATION OF A MAFIC DIKE. Justin Filiberto1, Lacey J. Costello2, Jake R. Crandall3, Sally L. PotterMcIntyre2, Susanne P. Schwenzer4, Daniel R. Hummer2, Karen Olsson-Francis4, Scott Perl5, Michael A. Miller6 and Nicholas Castle1. 1Lunar and Planetary Institute, USRA, 3600 Bay Area Blvd., Houston, TX 77058, USA. jfiliberto@lpi.usra.edu, 2Southern Illinois University, Department of Geology, 1259 Lincoln Drive, Carbondale, IL 62901, USA, 3Eastern Illinois University, Department of Geology & Geography, 600 Lincoln Ave., Charleston, IL 61920, USA, 4School of Environment, Earth, and Ecosystems Sciences, The Open University, Walton Hall, Milton Keynes MK7 6AA, UK, 5Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Dr, Pasadena, CA 91109, USA. 6Materials Engineering Department, Southwest Research Institute, 6220 Culebra Road, San Antonio, TX 78238-5166, USA.