Flow Ridges near a Mesa in Protonilus Mensae

The objective of this observation is to examine flow ridges that probably are the result of an old glacier that moved out of a valley from a mesa. Protonilus Mensae is region of chaos terrain. Chaos terrain is typified by regions of blocky, often steep sided, mesas interspersed with deep valleys. With time and erosion the valleys widen and the mesas become smaller.

https://uahirise.org/hipod/ESP_075403_2235
NASA/JPL-Caltech/University of Arizona
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