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The Precambrian in Missouri, US

Precambrian in Missouri map
 

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Precambrian

Precambrian Fossils

No slide show is available for the Precambrian in Missouri.

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Paleontology and geology

The oldest rocks in Missouri are igneous and metamorphic rocks approximately 1.8 billion years old, found in the subsurface of northern Missouri. Slightly younger Precambrian rocks are exposed in the St. Francois Mountain area in the southeastern part of the state. These can be viewed at Elephant Rocks, Taum Sauk, and Johnsonís Shut-Ins State Parks. No fossils are known from these rocks.


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