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Showing posts with the label petrified sand dunes
Curiosity rover captures petrified sand dunes on Mars Mars   NASA's Curiosity rover has captured large-scale inclined bedding structures on Mars - characteristic of deposits that formed as sand dunes and then cemented into rock. http://bit.ly/1Mib5qo http://www.uitvconnect.com/newspaper/curiosity-rover-captures-petrified-sand-dunes-mars