Crescentic forms in what is known as the Medusae Fossae Formation bedrock might be sedimentary structures indicative of barchan dune sedimentation. Or not. We have little bits and pieces of clues in this area from some of the previous HiRISE, Context Camera and Mars Orbiter Camera coverage, but this additional image can help us to get closer to an answer.

ID: ESP_071800_1805
date: 19 November 2021
altitude: 271 km

https://uahirise.org/hipod/ESP_071800_1805
NASA/JPL-Caltech/University of Arizona
#Mars #science #NASA