Volcanic activity may have contributed to Cretaceous extinction
Washington DC (SPX) Oct 07, 2015 - While there is general consensus that a massive asteroid colliding with Earth 66 million years ago contributed to the ensuing mass extinction, including that of dinosaurs, new evidence suggests that this impact triggered more intense volcanic activity, further compounding the extermination. The new measurements of volcanic activity, which may be the most precise to date, indicate a dramatic incr ... more

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