Extreme volcanic eruptions could explain mysterious rock formation on Mars

Could a volcanic eruption be the key to unlocking the mysterious geological history of Mars?

Back in the 1960s, NASA’s Mariner spacecraft discovered an extremely large and unusually soft rock formation. The makeup of the mass, now known as the Medusa Fossae formation, stumped researchers for decades because they were never able to determine how it got there. 

But now, new research seems to answer that question — and maybe many others. 

More than 3 billion years ago, extreme volcanic eruptions on Mars dropped the huge deposit near the Martian equator, according to the new study published in the Journal of Geophysical Research: Planets. Read more…

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