The large graben in this VIS image is part of a series of graben located on the southern flank of Alba Mons. This collection of graben is called Ceraunius Fossae. The term fossae means long, linear depressions.
Orbit Number: 54146 Latitude: 35.0747 Longitude: 249.803 Instrument: VIS Captured: 2014-02-27 06:03
Photo credit: NASA/JPL-Caltech/Arizona State University