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Dark-Toned Ridges in Meridiani
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Dark-Toned Ridges in Meridiani

September 17, 2010
This image is along the rim of an impact crater in Meridiani and shows a lighter-toned base unit with more resistant dark-toned ridges on top.

Both units exhibit complex fracture patterns. Also evident are old dune fields that have been solidified and then fractured, as well as younger, non-solidified dune fields.

More recently, the entire area has been deeply eroded by the wind.

Original release: May 2007.

Written by: Jennifer Griffes


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