Graben are depressions that form parallel to faults. This particular depression is located in Ulysses Fossae, a group of troughs in the Tharsis region. We can see that the depression is wide enough to be home to several impact craters, one of whose ejecta blanket is still visible.
ID:
ESP_054915_1920date: 14 April 2018
altitude: 270 km
https://uahirise.org/hipod/ESP_054915_1920
NASA/JPL-Caltech/UArizona
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