The Permian in Utah, US

Permian in Utah map

undifferentiated rock units help

Generalized geologic map from the Utah Geological Survey.

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Quaternary
Tertiary
Cretaceous
Jurassic
Triassic
Permian
Carboniferous
Devonian
Silurian
Ordovician
Cambrian
Precambrian

Permian Fossils

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Paleontology and geology

Permian rocks in Utah are a complex mixture of sandstones, limestones, shales, and phosphates. Although much of the sandstone was formed in a marine environment, some areas have the large-scale cross-bedding common to wind-formed sand dunes. Fossils are most abundant in the limestones, and include fusilinids, ammonoids, brachiopods, and conodonts, as well as trails and burrows made by marine organisms. This map indicates the presence of Permian rocks in the southernmost part of the state.

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Resources

Resources

Courses and Lectures (showing 1 of 1 listings)

Paleogeography of the Southwestern U.S.: The paleogeography of the southwestern U.S. from 1.8 billion years ago to 10 million years ago. Text and images by Dr. Ron Blakey from Northern Arizona University.

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Field Guides (showing 1 of 1 listings)

Fossil Cephalopods in Utah: A reference to help provide information on the identity, biostratigraphy and location of fossil cephalopods found in the state of Utah.

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