HiRISE 3D: Depressions at the Margin of Gigas Sulci
A sulcus (or sulci, plural) is defined as “subparallel furrows and ridges.” This is a purely descriptive term for landforms that could have a variety of origins.
https://www.uahirise.org/anaglyph/ESP_041149_1890_ESP_040661_1890_RED
NASA/JPL-Caltech/UArizona
#Mars #science