http://www.newsweek.com/dinosaur-volcano-asteroid-extinction-deccan-traps-1339226 > Sixty-six million years ago all the non-avian dinosaurs went extinct. We know this because of the abrupt end to the fossil record for these creatures—one geological moment they were there, the next they were not. > Around the same period, a huge asteroid hit Earth in what is now the Yucatan Peninsula, Mexico. And on the other side of the world, an enormous volcanic field had been erupting for hundreds of thousands of years, expelling vast quantities of magma and climate-altering gasses into the atmosphere.