Scientists have found evidence of iron-bearing sulphates and clay minerals in the exposed areas of this region of the Noctis Labyrinthus formation. A dune field covers some of the ground. Below is an image of the floor of a 600-mile long canyon called Ius Chasma, which is part of the Valles Marineris, the largest known canyon system in the solar system. The dark rock is an old lava flow, and the lighter areas are mega ripples. Both images were taken by the High Resolution Imaging Science Experiment (HI RISE) camera on the Mars Reconnaissance Orbiter.
Scientists have found evidence of iron-bearing sulphates and clay minerals in the exposed areas of this region of the Noctis Labyrinthus formation. A dune field covers some of the ground. Below is an image of the floor of a 600-mile long canyon called Ius Chasma, which is part of the Valles Marineris, the largest known canyon system in the solar system. The dark rock is an old lava flow, and the lighter areas are mega ripples. Both images were taken by the High Resolution Imaging Science Experiment (HI RISE) camera on the Mars Reconnaissance Orbiter.
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Photo credit: © World History Archive / Alamy / Afripics
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