<p>Deep Rocks Unveiled at Bonestell Crater – Central peaks form due to elastic rebound of subsurface materials immediately after impact. The rocks in Bonestell’s central peak may have been 4 to 8 kilometers below the surface before impact.
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NASA/JPL/University of Arizona (304 km above the surface) <a rel="nofollow" class="external text" href="https://www.uahirise.org/PSP_010012_2225">www.uahirise.org/PSP_010012_2225</a>
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/71688597@N05">UAHiRISE (NASA)</a>
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/uahirise-mars/38007388654/">PSP_010012_2225</a>