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Dark Mesas of Aram Chaos

July 6, 2004
NASA's Mars Global Surveyor shows several dark-toned mesas surrounded by light-toned sedimentary rock outcrops in Aram Chaos, a large impact basin on Mars.

6 July 2004
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows several dark-toned mesas surrounded by light-toned sedimentary rock outcrops in Aram Chaos, a large impact basin -- over 200 km (more than 125 mi) across. These mesas are remnants of a once more extensive rock unit. The image is located near 2.0°N, 20.2°W, and covers an area about 3 km (1.9 mi) wide. Sunlight illuminates the scene from the left.

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