Oudemans crater wall with layers, as seen by HiRISE.  The location is 10.2 degrees south latitude and 92.7 degrees west longitude.  Picture was taken with the Mars Reconnaissance Orbiter's HiRISE. Picture credit is NASA/JPL/ University of Arizona.
Jim Secosky modified NASA image.
<a rel="nofollow" class="external free" href="http://hirise.lpl.arizona.edu/PSP_005057_1695">http://hirise.lpl.arizona.edu/PSP_005057_1695</a>