Massive Volcanoes, Meteorite Impacts Delivered 1-2 Death Punch Dinosaur

Researchers at Princeton University found that a massive, prolonged bursts of the Deccan Traps in India, gradually get rid of species and grades took the chalk mass extinction that killed the dinosaurs 65 million years ago.

Marine sediments from the Deccan lava flows revealed that the species is known planktonic foraminifera - a measure widely used severity of prehistoric disasters - sold to a mega-Lava flows and volcanic activity induced by environmental stresses such as acid rain and climate change drastic . As the conditions worsened in the land, large, variedspecies (left) has been deleted. Up to seven or eight smaller species (right), who still remained diminished. Credit: Courtesy of Gerta Keller



(PhysOrg.com) - A cosmic double blow of huge volcanic eruptions and meteor strikes likely caused the mass extinction event in the late Cretaceous, which is famous for killing the dinosaurs 65 million years, according to two report from Princeton University to reject the prevailing theory that the extinction was caused by a single large meteorite.


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