Fault mirror in carbonate rocks, normal fault along the dead sea. Long vertical striations are the mark of the friction between the two sides of the fault. The subsidence is a few millimeters per year. Long slip has been adjusted along this fault plane. The elongated bumps along the fault mirror correspond to parallel sets of slip planes on the side of these lenses. The name "fault mirror", reflects the fact that these rocks are so smooth that in place, they reflect the sun light. Beyond the mirror plane, crushed or pulverized rock can be seen, in weathered holes with a large porosity. Field trip during the first topical school of the european Initial Training Network "Flow and Transforming Porous Media" (ITN FLOWTRANS, http://www.flowtrans.net/ )