A gully fan is preserved while surrounding mantle is being removed. This image can provide information about relative volatile content within the gully fans themselves. Mars Orbiter Camera data also shows bright units exposed on the flank of a gully fan where the mantle has been removed.

ID: ESP_076538_1340
date: 24 November 2022
altitude: 253 km

https://uahirise.org/hipod/ESP_076538_1340
NASA/JPL-Caltech/University of Arizona
#Mars #science #NASA