Near the bottom of this nighttime IR image are several channels. The dusty channel floors are darker (colder) than the rocky walls.
Orbit Number: 55224 Latitude: 4.19544 Longitude: 318.675 Instrument: IR Captured: 2014-05-26 22:27
Image credit: NASA/JPL-Caltech/Arizona State University
Note: I am somewhat confused as to the actual location of this image. On the one hand, the coordinates suggest that these channels should be within Xanthe Terra, between Shalbatana Vallis to the west and Da Vinci Crater to the southeast. However, my global map of Mars does not correspond with either these coordinates or the context map provided on the THEMIS webpage. So I'm not quite sure whether the coordinates or the context map is correct.
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