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NASA

http://www.nasa.gov/mission_pages/MRO/multimedia/pia09189.html

Ridges as Evidence of Fluid Alteration

Tectonic fractures within the Candor Chasma region of Valles Marineris, Mars, retain ridge-like shapes as the surrounding bedrock erodes away. This points to past episodes of fluid alteration along the fractures and reveals clues into past fluid flow and geochemical conditions below the surface.

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This work is in the public domain in the United States because it is a work of the United States Federal Government under the terms of Title 17, Chapter 1, Section 105 of the US Code. See Copyright.
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	Date/Time	Dimensions	User	Comment
current	01:14, 18 February 2007	330×230 (40 KB)	Rickyjames (Talk \| contribs)	(NASA http://www.nasa.gov/mission_pages/MRO/multimedia/pia09189.html Ridges as Evidence of Fluid Alteration Tectonic fractures within the Candor Chasma region of Valles Marineris, Mars, retain ridge-like shapes as the surrounding bedrock erodes away. Th)