A Hydrothermally Altered, Mn-incrusted Marine Sediment as an Analogue for Martian Deposits?

Christoph Gross1, Janice L Bishop2, Alessandro Maturilli3, Mario D'Amore4 and Jörn Helbert4, (1)Free University of Berlin, Berlin, Germany, (2)SETI Institute, Carl Sagan Center, Mountain View, United States, (3)German Aerospace Center DLR, Berlin, Germany, (4)German Aerospace Center DLR Berlin, Berlin, Germany