Death by volcano: Report offers new dinosaur extinction theory

12/9/2012 |

A new scientific report suggests that toxic emissions of carbon dioxide and sulfur over tens of thousands of years in the Deccan Traps -- a volcanic area near Mumbai, India -- could have wiped out dinosaurs. "Our new information calls for a reassessment of what really caused the K-T mass extinction," said Princeton geologist Gerta Keller, who led the study. Keller's study was shared at the American Geophysical Union's annual meeting last week. The study claims that global warming and ocean acidification triggered by the gases could have caused the mass extinction that many scientists still attribute to an asteroid.

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