Colorful Layers in Nili Fossae
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Colorful Layers in Nili Fossae

June 21, 2012
This enhanced-color version of the central part of the HiRISE image shows colorful layers that may contain carbonate minerals.

Carbonates are commonly formed on Earth by marine organisms; the origin of these carbonates on Mars is unknown, but probably involved liquid water.

This image was taken along with the CRISM instrument, also onboard MRO, in what is called "ridealong" mode.

Written by: Ken Herkenhoff

Credits: NASA/JPL/University of Arizona

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