HiRISE (NASA)
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HiRISE 8K: Possible Sulfates in Ophir Chasma

Part of Valles Marineris, Ophir Chasma is a large west-northwest-trending trough about 62 miles, or 100 kilometers, wide. (See link for full cutout and additional info.)

flic.kr/p/2nAt6Fb

NASA/JPL-Caltech/UArizona

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