Tertiary Paleogeography and Tectonic History, Central Arizona

Ronald Blakey, Northern Arizona University, Department of Geology

This website presents images and text depicting the paleogeography and tectonic evolution of central Arizona during the Tertiary period. Emphasis is on an evolving Oligocene to Miocene drainage system that documents the existence of the Mogollon Rim, the southern physiographic boundary of the Colorado Plateau. The goal of this page is to demonstrate the evolution of stream systems in relation to complex, dynamic, tectonic events in the Southwest including the Laramide orogeny, Cenozoic core complexes, Basin and Range faulting, and Cenozoic volcanism. This is done through photographs, stratigraphic columns and cross-sections of area geology.

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Subject: Geoscience:Geology:Geomorphology, Tectonics, Historical Geology, Structural Geology
Resource Type: Pedagogic Resources:Overview/Summary, Audio/Visual:Images/Illustrations
Grade Level: Graduate/Professional, College Upper (15-16), College Lower (13-14)
Focus on the Cretaceous: Tectonics, Paleogeography, Magmatism
Theme: Teach the Earth:Course Topics:Structural Geology, Geomorphology, Teach the Earth:Teaching Topics:Early Earth, Plate TectonicsKeyword: Stratigraphy