![]() | Cretaceous Shelf Sandstones and Shelf Depositional Sequences, Western Interior Basin, Utah, Colorado and New Mexico: Salt Lake City, Utah to Albuquer The second theme focuses on Upper Cretaceous coastal and shallow marine rocks as displayed by exposures in the spectacular Book Cliffs of Utah. The shelf and shoreface sequences seen in these rocks represent some of the classical exposures of such facies in the United States. Due to high rates of sediment yield from the nearby actively uplifting Cretaceous Sevier orogenic belt, the Mesaverde Group in the Book Cliffs is dominated by regressive sequences, punctuated by regionally extensive unconformities. Dag Nummedal and Robyn Wright are the authors of Cretaceous Shelf Sandstones and Shelf Depositional Sequences, Western Interior Basin, Utah, Colorado and New Mexico: Salt Lake City, Utah to Albuquerque, New Mexico, June 30 - July 7, 1989, Volume T119, published by Wiley. |
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