This observation focuses a ridge that is standing above the old lava surface of the floor of Echus Chasma. What is this ridge doing here? Is it preexisting material surrounded by lava? Is it material pushed up at a restraining bend? If the ridge is not lava, it may have colorful flanks.

ID: ESP_065793_1825
date: 9 August 2020
altitude: 267 km

https://uahirise.org/hipod/ESP_065793_1825
NASA/JPL-Caltech/University of Arizona
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