 | Scientists have found the "Rosetta Stone" of supervolcanoes. A fossil supervolcano has been revealed in a rare uplift of the Earth's crust in the Sesia Valley of the Italian Alps. The discovery by a team led by geologist James E. Quick at Southern Methodist University will advance scientific understanding of active supervolcanoes, such as Yellowstone, which is the second-largest supervolcano in the world and which last erupted 630,000 years ago. ...> Full Article |