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Massive Volcanoes, Meteorite Impacts Delivered One-two Death Punch to Dinosaurs


November 17, 2011

image of variedspecies and smaller species A cosmic one-two punch of colossal volcanic eruptions and meteorite strikes likely caused the mass-extinction event at the end of the Cretaceous period that is famous for killing the dinosaurs 65 million years ago, according to two Princeton University reports that reject the prevailing theory that the extinction was caused by a single, large meteorite. Full Story

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Princeton University

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