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Orchard Creek Shale

From Wikipedia, the free encyclopedia
Orchard Creek Shale
Stratigraphic range: Ordovician
TypeFormation
Location
Region Illinois
Country United States

The Orchard Creek Shale is a geologic formation in Illinois. It preserves fossils dating back to the Ordovician period.

See also

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References

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  • Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.