Dark Light

This image suggestion outlines a contact between gypsum-rich dunes in Olympia Undae and flat-lying layers of the basal (or bottom) unit. Our goal is to look for a stratigraphic and compositional comparison between the dunes and the basal unit.


Image: NASA/JPL/University of Arizona https://www.uahirise.org/hipod/ESP_070833_2605
Related Posts

Elongated Dunes

These lovely linear dunes at Meroe Patera identified in Context Camera images that have developed in a sand starved region of the dune field, elongating from behind a cliff.