HiRISE Hydrothermal Processes
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HiRISE Hydrothermal Processes

May 28, 2013
NASA/JPL/University of Arizona Ice in a Chlorite-Bearing Escarpment in Northwest Hellas ESP_027758_1530 Science Theme: Hydrothermal Processes A south-facing escarpment in the Northwest Hellas region that was targeted for the phyllosilicates shows instances of bluish rock in this enhanced color image. CRISM spectra of the bluish material shows that it consists of a combination of chlorite and water ice. The image was captured at the beginning of southern spring, at a time period when south-facing escarpments still retain ices deposited during the winter.

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