Saturday, March 29, 2014

Unusual Mound in Arabia Terra

With its cracked, blistery appearance, this mound near the center of a very large, over 5-kilometer diameter mid-latitude crater poses an interesting question: how did this form?

More importantly, what is the relationship between the mound and the surrounding, viscous features? Did those flow features play a role in forming the mound? Can that material help explain the cracked surface of the mound?

This is a stereo pair with ESP_034287_2185.

Photo credit: NASA/JPL/University of Arizona

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