NASA's Mars Global Surveyor shows light-toned, finely-bedded sedimentary rocks in Schiaparelli Basin, a large impact crater located east of Sinus Meridiani on Mars.

9 October 2004
Schiaparelli Basin is a large, 470 kilometer (~292 miles) impact crater located east of Sinus Meridiani. The basin might once have been the site of a large lake--that is, if the sedimentary rocks exposed on its northwestern floor were deposited in water. This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows a 1.5 meter per pixel (5 ft per pixel) view of some of the light-toned, finely-bedded sedimentary rocks in northwestern Schiaparelli. The image is located near 1.0°S, 346.0°W, and covers an area about 3 km (1.9 mi) wide. Sunlight illuminates the scene from the left.

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