When tectonics killed everything A new paper reveals how the - TopicsExpress



          

When tectonics killed everything A new paper reveals how the worst extinction in Earths history may have been tied to the formation of Supercontinent Pangea. The catastrophe wasnt triggered by an impact from above—unlike another well-known extinction—but by a geological process below, deep within Earths core. Its often known as The Great Dying. About 252 million years ago, all life nearly vanished. More than 90 percent of ocean species and 70 percent of land species died. Trees, plants, reptiles, fish, insects, microbes—all nearly wiped out. Read more : geologypage/2013/11/when-tectonics-killed-everything.html
Posted on: Tue, 18 Mar 2014 09:30:53 +0000

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