Sedimentary Signs of a Martian Lakebed

This evenly layered rock photographed by the Mast Camera Mastcam on NASA Curiosity Mars Rover on Aug. 7, 2014, shows a pattern typical of a lake-floor sedimentary deposit not far from where flowing water entered a lake.

This evenly layered rock photographed by the Mast Camera Mastcam on NASA Curiosity Mars Rover on Aug. 7, 2014, shows a pattern typical of a lake-floor sedimentary deposit not far from where flowing water entered a lake.