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Volcanoes could have caused dinosaur deaths
Growing body of evidence suggests extinction came from more than meteor
| New research suggests that volcanoes that erupted between 63 million to 67 million years ago may have contributed to a mass dinosaur extinction. |
By Charles Q. Choi
Instead of being driven to extinction by death from above, dinosaurs might have ultimately been doomed by death from below in the form of monumental volcanic eruptions.
The suggestion is based on new research that is part of a growing body of evidence indicating a space rock alone did not wipe out the giant reptiles.
The Age of Dinosaurs ended roughly 65 million years ago with the K-T or Cretaceous-Tertiary extinction event, which killed off all dinosaurs save those that became birds, as well as roughly half of all species on the planet, including pterosaurs. The prime suspect in this ancient murder mystery is an asteroid or comet impact, which left a vast crater at Chicxulub on the coast of Mexico.
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