Sign In

Communications of the ACM

ACM News

Mars Panorama from Curiosity Shows Petrified Sand Dunes


View as: Print Mobile App Share: Send by email Share on reddit Share on StumbleUpon Share on Hacker News Share on Tweeter Share on Facebook
Mars sandstone

Large-scale crossbedding in the sandstone of this ridge on a lower slope of Mars' Mount Sharp is typical of windblown sand dunes that have petrified.

Credit: NASA/JPL-Caltech/MSSS

Some of the dark sandstone in an area being explored by NASA's Curiosity Mars rover shows texture and inclined bedding structures characteristic of deposits that formed as sand dunes, then were cemented into rock.

From Jet Propulsion Laboratory/NASA
View Full Article

 


 

No entries found