NASA's Mars Global Surveyor shows a contact between a dust-covered plain and a dust-mantled, textured upland in the Memnonia Sulci region of Mars.

28 June 2006
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows a contact between a dust-covered plain and a dust-mantled, textured upland in the Memnonia Sulci region of Mars. The dominant landforms in this scene are yardangs-they are the product of extensive wind erosion of a relatively poorly-consolidated, sand-bearing material (e.g., deposits of volcanic ash or poorly cemented sedimentary rocks).

Location near: 9.3°S, 172.9°W
Image width: ~3 km (~1.9 mi)
Illumination from: upper left
Season: Southern Autumn

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