NASA's Mars Global Surveyor shows complexly-eroded, layered, sedimentary rock outcrops in southern Melas Chasma, part of the vast Valles Marineris trough system on Mars.

10 July 2005
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows complexly-eroded, layered, sedimentary rock outcrops in southern Melas Chasma, part of the vast Valles Marineris trough system. These rocks were originally deposited as sediment, perhaps in water, long ago.

Location near: 12.5°S, 73.3°W
Image width: ~3 km (~1.9 mi)
Illumination from: upper left
Season: Southern Spring

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