<p>Dark Deposit Near the Amenthes Fossae — This area seems to have a higher temperature during the day and night than the surrounding terrain. 
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NASA/JPL/University of Arizona (277 km above the surface and North is to the right.) <a rel="nofollow" class="external text" href="https://www.uahirise.org/PSP_006843_1885">www.uahirise.org/PSP_006843_1885</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/39598177301/">PSP_006843_1885</a>