There are light-toned ridges in this picture that could have been created by pyroclastic eruptions. Modern erosion results in the exhumation of the underlying flow. There also seem to be multiple lava flows covered by other light-toned material that’s been reworked by the wind.

ID: ESP_063236_1625
date: Wednesday, 22 January 2020
altitude: 252 km (156.24 mi)

https://uahirise.org/hipod/ESP_063236_1625
NASA/JPL-Caltech/University of Arizona
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