Manganese on mars as an indicator of habitable environments and as a biosignature

BIOSIGNATURE. N. L. Lanza1 , W. W. Fischer2, S. N. Lamm3, P. J. Gasda1, P.-Y. Meslin4, A. M. Ollila1, J. Frydenvang5, S. M. Clegg1, A. Cousin6, D. DeLapp1, O. Forni6, A. Reyes-Newell1, M. Salvatore3, and R. C. Wiens1, 1Los Alamos National Laboratory (nlanza@lanl.gov), 2California Institute of Technology, 3Northern Arizona University, 4Universite Paul Sabatier, France, 5University of Copenhagen, 6IRAP-CNRS, France.