This observation shows a gullied crater in the Southern mid-latitudes with light-toned deposits near the center of its floor, and two areas of collapsed terrain at the northern and southern edges of the crater floor.

Data from the CRISM instrument–also onboard the Mars Reconnaissance Orbiter–tentatively show a minerals containing chemically-bound water in the “chaotic” areas.

Written by: HiRISE Science Team (audio by Tre Gibbs)   (11 July 2012)

More info and image formats at http://hirise.lpl.arizona.edu/ESP_025472_1405

Image: NASA/JPL/University of Arizona