Pingie: HTTP:: Immense Fossil Supervolcano Found in Italian Alps

HTTP:: Immense Fossil Supervolcano Found in Italian Alps
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Back in the days when our planet was very young, the continents and oceans did not resemble anything we know and see today. The outer layer of the planet, the crust, was in a constant process of rearrangement, and volcanic eruptions were a common thing. But, from time to time, crust explosions at a grand scale took place, when supervolcanoes blew up, and spewed unimaginably large amounts of lava and ash into the atmosphere and on the ground. Now, such a fossil structure has been discovered in the Italian Alps, a discovery that could hold the key to understanding active supervolcanoes, such as the Yellowstone Caldera, ScienceDaily reports. In the past, supervolcano eruptions are thought to have caused wide-scale changes in the planet's environment, and are believed to have also influenced its climate considerably. An eruption throwing out sufficient amounts of ash, for instance, could block out the Sun, and bring forth a period of glaciation almost over night. Such changes!
would have left species unable to adapt, and those who could not flee fast enough were killed or wiped out. However, such devastating effects were presumably fairly rare, as huge amounts of pressure would have had to form beforehand. The experts who discovered the remains of such a structure, in the Sesia Valley, say that it could...
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http://news.softpedia.com/news/Immense-Fossil-Supervolcano-Found-in-Italian-Alps-122250.shtml
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