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Melas Materials

May 1, 2006
This NASA Mars Global Surveyor image shows dark sand dunes superposed on layered, light-toned outcrops -- interpreted to be sedimentary rocks -- in Melas Chasma. Melas Chasma is part of the enormous Valles Marineris trough system.

1 May 2006
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows dark sand dunes superposed on layered, light-toned outcrops -- interpreted to be sedimentary rocks -- in Melas Chasma. Melas Chasma is part of the enormous Valles Marineris trough system.

Location near: 11.7°S, 74.6°W
Image width: ~3 km (~1.9 mi)
Illumination from: upper left
Season: Southern Summer

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