NASA / JPL-CALTECH / MSSS / SCIENCE PHOTO LIBRARY NASA / JPL-CALTECH / MSSS / SCIENCE PHOTO LIBRARY
High-silica rock on Mars. Curiosity rover image of a rock fragment called 'Lamoose', on the surface of Mars. Like other nearby rocks in this region, this fragment has unusually high concentrations of silica. Imaged by Curiosity's Mars Hand Lens Imager (MAHLI), in the 'Marias Pass' area of Mount Sharp, Mars, on 11th July 2015.
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