Dunes with exposed bright bedding have been proposed to contain evaporites (minerals found in the sedimentary deposit of soluble salts that results from the evaporation of water). In this observation, there are dunes with erosion-resistant and ripple-covered bright layers that could be cemented materials.

ID: ESP_057025_1220
date: 25 September 2018
altitude: 250 km

https://uahirise.org/hipod/ESP_057025_1220
NASA/JPL-Caltech/UArizona
#Mars #science #NASA