Mammoths, Sabertooths, and Hominids: 65 Million Years of

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Language: English

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As the years passed, the skeletons of these animals accumulated until the site became a complex mix of bones." "After the lake bottom dried up it was covered with volcanic ash; and rivers and shallow seas deposited thick layers of sand and mud on top. It is now extinct, but it is not clear how this happened, as there are so few fossils. And the acid rain simultaneously destroyed all the tropical vegetation that had been the Brachylophosaurus staple diet just a few hours earlier.

Pages: 328

Publisher: Columbia University Press (October 26, 2005)

ISBN: 0231116411

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