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The Precambrian in Illinois, US

Precambrian in Illinois map
 

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Precambrian

Precambrian Fossils
Fossil photos from Precambrian in Illinois

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Paleontology and geology

There are no Precambrian rocks exposed at the surface in Illinois. Precambrian rocks in the subsurface are mostly volcanic and granitic intrusions, and thus do not contain fossils.

Links to more on the Precambrian in Illinois

Education and Exhibits

Education and Exhibits

Virtual Exhibits (showing 1 of 1 listings)

First Families of Chicago: Local geology of the Chicago, Illinois, area, complete with descriptions of the fossils found there.

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