Curiosity Right Mastcam (M-100)

Sol 534 12:09 Site 26/0292 0534MR2115008000C0_DXXX
Document dune crest grain size distribution [observations]
Feb 5, 2014 at 6:38:54 PM UTC (approximate)
Credit: NASA / JPL-Caltech / Malin Space Science Systems

Image Source