| Abstract: | Landscape development of central and northern Arizona can no longer be ascribed mainly to events of Miocene and Pliocene age. New information on the age and distribution of older Cenozoic deposits has led to the recognition of a regional Cretaceous-Paleocene(?) surface of erosion that conforms to major elements on this regional surface of erosion. These relations cast new light on the history of evolution of the landscape and indicate a much greater age for the main landscape elements and a more complicated and prolonged history of erosion and deposition than has been previously supposed. The timing of events postulated for development of drainage on the Colorado Plateau can now be compared and partly reconciled with events recognized in the adjacent closely related Mountain Region (Transition Zone) of central Arizona. An understanding of this Tertiary structural, erosional, and depositional history can be important for the geological analysis of geophysical transects across the region. -from Authors |
| Genre: | Article |
| ProdID: | 70016531 |
| Citation Author: | Elston, D. P.; Young, R. A. |
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| Citation Issue: | B7 |
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| Citation Language: | English |
| Citation Larger Work Title: | Journal of Geophysical Research |
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| Citation Search Results Text: | Cretaceous-Eocene (Laramide) landscape development and Oligocene- Pliocene drainage reorganization of transition zone and Colorado Plateau, Arizona; 1991; Article; Journal; Journal of Geophysical Research; Elston, D. P.; Young, R. A. |
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| Citation Volume: | 96 |
| Citation Year: | 1991 |
| Type: | citation/reference |
| Text: | Cretaceous-Eocene (Laramide) landscape development and Oligocene- Pliocene drainage reorganization of transition zone and Colorado Plateau, Arizona; 1991; Article; Journal; Journal of Geophysical Research; Elston, D. P.; Young, R. A. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Tue, 1 Jan 1991 00:00 -0600 |
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