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Contact: Richard Lewis
Richard_Lewis@Brown.edu
401-863-3766
Brown University
Caption: This three-dimensional image of a trough in the Nili Fossae region of Mars shows phyllosilcates (in magenta and blue hues) concentrated on the slopes of mesas and along canyon walls. The abundance of phyllosilcates show that water played a sizable role in changing the minerals of a variety of terrains in Mars's early history.
Credit: NASA/JPL/JHUAPL/University of Arizona/Brown University
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Related news release: Brown papers reveal widespread, hardworking water on ancient Mars
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