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Dark, windblown sand covers intricate sedimentary rock layers in this image captured by NASA's Mars Reconnaissance Orbiter (MRO) from Ganges Chasma, a canyon in the Valles Marineris system.

These features are at once familiar and unusual to those familiar with Earth's beaches and deserts. Most sand dunes on Earth are made of silica-rich sand, giving them a light color; these Martian dunes owe their dark color to the iron and magnesium-rich sand found in the region.

https://photojournal.jpl.nasa.gov/catalog/PIA21600

Details

  • Title: Windblown Sand in Ganges Chasma
  • Creator: NASA/JPL-Caltech/Univ. of Arizona
  • Date Created: 2017-04-25
  • Rights: JPL
  • Album: kboggs

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