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Wind Erosion in Tithonium

April 30, 2005
NASA's Mars Global Surveyor shows wind-eroded sedimentary rocks in Tithonium Chasma, one of the troughs of the Valles Marineris system on Mars.

30 April 2005
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows wind-eroded sedimentary rocks in Tithonium Chasma, one of the troughs of the Valles Marineris system. The winds responsible for the majority of the erosion blew from the northeast (upper right), creating yardangs (wind erosion ridges) with their tapered ends pointing downwind.

Location near: 4.6°S, 88.3°W
Image width: ~3 km (~1.9 mi)
Illumination from: upper left
Season: Southern Winter

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