Photo courtesy of Ron Blakey,
Northern Arizona University Geology Department .
This page was
designed to provide an overview of the geologic evolution of the state
of Arizona. It is supplemented with photos, graphic reconstruction's
and text which will bring to life nearly 2.0 billion years of Earth history
recorded in the rocks and structures throughout Arizona. Use the
time links below to explore different time intervals of Arizona history.
Each link will present information about Arizona including the paleogeography
of that time interval along with supporting photographs and illustrations.
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Shasta College Department of Geoscience