There are some uncommon clays in this sedimentary plain, as first detected in low resolution by the OMEGA instrument on the Mars Express Orbiter. Note the tight cluster of impacts. This image is in the Terra Cimmeria region of Mars.

ID: ESP_054681_1475
date: 27 March 2018
altitude: 253 km

https://uahirise.org/hipod/ESP_054681_1475
NASA/JPL-Caltech/University of Arizona
#Mars #science #NASA