Our goal is to compare textures and determine stratigraphy for these two materials. Enhanced color very useful for mapping units of distinct composition.
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Light
Data from other instruments, such as THEMIS and CRISM, imply that chlorides are present here; the CRISM data reveal that iron/magnesium clays are also present.
Image: NASA/JPL/University of Arizona https://www.uahirise.org/hipod/ESP_016162_1495
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