Deuteronilus

The martian region called Deuteronilus is characterized by hills and mesas surrounded by broad debris slopes. Some of the slopes have surface markings that may indicate volatiles are mixed in with the debris.

Image information: VIS instrument. Latitude 41.9N, Longitude 18.1E. 19 meter/pixel resolution.

http://photojournal.jpl.nasa.gov/catalog/PIA01773