HiRISE 3D: Inverted Channel and Possible Lake Deposits
The former channel had material that was more resistant to erosion than the surrounding terrain, so now stands in positive-relief in our image.
https://www.uahirise.org/anaglyph/ESP_076462_1725_ESP_084242_1725_RED
NASA/JPL-Caltech/University of Arizona
#Mars #science #3D