DescriptionESP0524052595icelayers.jpg English: Layers in ice cap in Mare Boreum quadrangle, as seen by HiRISE under HiWish program Date 15 December 2017
image shows an angular unconformity. Date 15 December 2017 Source http://ESP_052405_2595 Author Jim Secosky modified a NASA image NASA/JPL/University of Arizona/Secosky