What meteorites on mars tell us about the martian environment and the case for returning one

FOR RETURNING ONE. A. W. Tait1*, C. Schröder1, J. W. Ashley2, M. A. Velbel3, P. A. Bland4. 1Biological and Environmental Sciences, University of Stirling, Stirling FK9 4LA, UK (alastair.tait@stir.ac.uk), 2Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA, 3Department of Earth and Environmental Sciences, Michigan State University, East Lansing, MI, USA, 4Department of Applied Geology, Curtin University, Perth, WA, Australia.