Layers, probably sedimentary in origin, have undergone extensive erosion in this image of Shalbatana Valles, a prominent channel that cuts through Xanthe Terra.
This erosion has produced several small mesas and exposed light-toned material that may differ in composition from the surrounding material.
Written by: Nicole Baugh (audio: Tre Gibbs) (22 January 2018)
More info and image formats at http://hirise.lpl.arizona.edu/ESP_012729_1830
Image: NASA/JPL/University of Arizona