Impact Theory Tertiary Cretaceous Extinction Paleontology



	Impact Theory Tertiary Cretaceous Extinction Paleontology Impact Theory Tertiary Cretaceous Extinction Paleontology Impact Theory This category is for websites dealing with the theory that the impact of an extraterrestrial object led to the end-Mesozoic mass extinction. Top: Science: Earth Sciences: Paleontology: Extinction: Cretaceous-Tertiary: Impact Theory: - The National Museum of Natural History exhibit on a meteor that struck the Earth 65 million year ago. - Information about a late Cretaceous impact event.
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