Early Earth rock analogues for Martian subsurface processes

Eugene G Grosch1, Janice L Bishop2,3, Alessandro Maturilli4 and Jörn Helbert4, (1)University of Bergen, Bergen, Norway, (2)SETI Institute, Carl Sagan Center, Mountain View, United States, (3)German Aerospace Center DLR Berlin, Berlin, Germany, (4)German Aerospace Center DLR, Berlin, Germany