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Jurassic Rocks in North America Today

Explore: the Jurassic in
or world paleogeography of the
Geologic activity since the Jurassic has covered up or removed many of these rocks around North America. Exposures of Jurassic rocks in the U.S. can be found in the Cascade Mountains, Sierra Nevada, Rocky Mountains, Texas, and states east of the Appalachian Mountains. Jurassic outcrops are rare in Mexico, but do occur in scattered areas in all four regions of the country. Jurassic rocks are also found in several Canadian provinces, particularly in the western part of the country.

View modern exposures of rock from
each time period in North America:

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

Jurassic Fossils
Fossil photos from Jurassic

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