NASA MRO Image: Light-Toned and Possible Hydrated Materials in Gullied Crater

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. Larger Image. Credit: NASA/JPL/University of Arizona

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