This image from NASA Mars Reconnaissance Orbiter shows a wonderful case of aeolian sandstone that preserves its original sand dune bedform shapes and lies unconformably over a previously-eroded surface of layered sedimentary rock.
This image from NASA Mars Reconnaissance Orbiter shows a wonderful case of aeolian sandstone that preserves its original sand dune bedform shapes and lies unconformably over a previously-eroded surface of layered sedimentary rock.