The prestigious North American magazine Science has just be published by an article where he sums all the knowledge up on the Cretaceous limit – Paleógeno (Cretaceous – Tertiary) and his relation with the crater of Chicxulub (Mexico). It is a multidisciplinary work in which there have taken part three members of the area of Paleontology of Saragossa (Laia Alegre, Ignacio Arenillas, José Antonio Arz). His conclusions are clear: the Chicxulub crater is the one that Paleógeno produced to himself for the fall of a big extraterrestrial object in the Cretaceous limit–. The effects associated with this impact are the massive cause of many organisms, including the dinosaurs. More information in Aragosaurus.
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