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Western Hellas Planitia Deformed Layered Sediments
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Western Hellas Planitia Deformed Layered Sediments

March 27, 2010
The western margin of Alpheus Colles (the large plateau in Hellas Planitia) is bound by a large depression that is the deepest point in the Hellas basin and also the lowest terrain on Mars. This region is characterized by highly deformed layered sediment nicknamed "honeycomb" or "taffy pull" terrain. The origin of this unusual layered sediment is unknown, but it may be related to an ancient lake or ocean in Hellas.


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