Global Extinction: Gradual Doom Is Just as Bad as Abrupt | - TopicsExpress



          

Global Extinction: Gradual Doom Is Just as Bad as Abrupt | #Geology #GeologyPage A painstakingly detailed investigation shows that mass extinctions need not be sudden events. The deadliest mass extinction of all took a long time to kill 90 percent of Earths marine life, and it killed in stages, according to a newly published report. Thomas J. Algeo, professor of geology at the University of Cincinnati, worked with 13 co-authors to produce a high-resolution look at the geology of a Permian-Triassic boundary section on Ellesmere Island in the Canadian Arctic. Read more : geologypage/2012/02/global-extinction-gradual-doom-is-just.html Geology Page geologypage
Posted on: Sat, 29 Nov 2014 02:00:00 +0000

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