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The Devonian in Utah, US

Devonian in Utah map

undifferentiated rock units help

Generalized geologic map from the Utah Geological Survey.

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Devonian Fossils

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Paleontology and geology

Devonian rocks in Utah are predominately marine limestones formed in warm, shallow seas. These rocks are interbedded with sandstones from sand that washed into the oceans, although some of the sands were also deposited by wind along the shores of this ancient sea. Fossils of sponges, corals, brachiopods, and conodonts are common, along with rare occurrences of primitive jawless and jawed fish.

Although this map only indicates the presence of undifferentiated rocks, there are scattered outcrops of Devonian rocks in the western and north-central parts of the state, as shown on the map provided by the Utah Geological Survey.

Links to more on the Devonian in Utah



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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