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Evidence Of The 'Lost World': Did Dinosaurs Survive The Cretaceous Extinction?

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Author Topic: Evidence Of The 'Lost World': Did Dinosaurs Survive The Cretaceous Extinction?  (Read 401 times)
Reginese Dei
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« on: July 16, 2011, 02:13:48 am »



View eastward from divide between Ojo Alamo and Barrel Spring arroyos, Kirtland shale in foreground. Conical butte capped with lower part of Ojo Alamo sandstone. Butte at left consists of Kirtland shale at base, overlain by conglomeratic sandstone of Ojo Alamo, and that in turn by the middle or shale member of the same formation, with pebbles from the disintegrated upper conglomeratic member scattered over the top. San Juan County, New Mexico. Circa 1915. (Credit: Plate 71-A in U.S. Geological Survey / Bauer, C.M. 251)
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