Fossil supervolcano in Italian Alps may answer deep mysteries around active supervolcanoes

Dec 15, 2014 656

There's nothing subtle about the story told by the rocks in northern Italy's Sesia Valley. Evidence of ancient volcanic activity is all around, says geologist and volcanologist James Quick, Southern Methodist University, Dallas.

But the full story is much less obvious, Quick notes. Quick led an international team that in 2009 announced they had discovered a 282-million-year-old fossil supervolcano in Sesia Valley. The find was the result of nearly two decades of geological research in the valley and its surrounding mountains.

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