This <a rel="nofollow" class="external text" href="http://static.uahirise.org/images/2017/details/cut/PSP_003855_1275.jpg">image shows a layered deposit</a> in Galle Crater, located in the Southern cratered highlands.
<p>The geologic history of Galle Crater is not well constrained, and it contains a variety of features that have been interpreted as fluvial, lacustrine or glacial deposits.
</p><p>The deposit pictured here contains multiple unconformities (sudden or irregular changes from one deposit to another), indicating periods of erosion and non deposition.
</p><p>The map is projected here at a scale of 25 centimeters (9.8 inches) per pixel. [The original image scale is 25.7 centimeters (10.1 inches) per pixel (with 1 x 1 binning); objects on the order of 77 centimeters (30.3 inches) across are resolved.] North is up.
</p><p>This is a stereo pair with <a rel="nofollow" class="external text" href="http://www.uahirise.org/PSP_003934_1275">PSP_003934_1275</a>.
</p>
The University of Arizona, Tucson, operates HiRISE, which was built by Ball Aerospace &amp; Technologies Corp., Boulder, Colo. NASA's Jet Propulsion Laboratory, a division of Caltech in Pasadena, California, manages the Mars Reconnaissance Orbiter Project for NASA's Science Mission Directorate, Washington.
NASA/JPL-Caltech/Univ. of Arizona
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