Mars Crater May Actually Be Ancient Supervolcano


Credit: NASA/JPL/GSFC

Credit: NASA/JPL/GSFC

A research project led by Joseph R. Michalski, Senior Scientist at the Planetary Science Institute, has identified what could be a supervolcano on Mars – the first discovery of its kind. In a paper published Oct. 3 in the journal Nature, Michalski and co-author Jacob E. Bleacher of NASA Goddard Space Flight Center describe a new type of volcanic construction on Mars that until now has gone unrecognized.

The volcano in question, a vast circular basin on the face of the Red Planet, previously had been classified as an impact crater. Researchers now suggest the basin is actually the remains of an ancient supervolcano eruption. Their assessment is based on images and topographic data from NASA’s Mars Odyssey, Mars Global Surveyor and Mars Reconnaissance Orbiter spacecraft, as well as the European Space Agency’s Mars Express orbiter.

“On Mars, young volcanoes have a very distinctive appearance that allows us to identify them,” Michalski said. “The long-standing question has been what ancient volcanoes on Mars look like. Perhaps they look like this one.”

Link To Full Story.

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