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Perhaps lava has intruded underneath this mound and pushed it up from beneath. It looks as if material is missing from the mound, so it is also possible that there was a significant amount of ice in the mound that was driven out by the heat of the lava. There are an array of features like this in the region that continue to puzzle scientists.
We hope that close inspection of this HiRISE image, and others around it, will provide some clues regarding its formation.
originally posted by: cavtrooper7
Something launched I think.
It looks melted.
originally posted by: Phage
a reply to: Soylent Green Is People
Try it this way.