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Exhumed Craters

July 5, 2004
NASA's Mars Global Surveyor shows several north mid-latitude meteor impact craters on Mars with bouldery ejecta deposits. Each of the craters was once buried and later exhumed.

5 July 2004
Burial and exhumation is a theme that repeats itself, all over the surface of Mars. This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows several north mid-latitude meteor impact craters with bouldery ejecta deposits. Each of the craters was once buried and later exhumed. Mesas on the floors of these craters are remnants of the materials that once filled and covered them. The craters are located near 39.7°N, 206.0°W. The image covers an area about 3 km (1.9 mi) wide; sunlight illuminates the scene from the lower left.

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