Grand Tower Limestone

Grand Tower Limestone
Grand Tower Limestone
Stratigraphic range: Devonian
Type	Formation
Location
Region	Illinois
Country	United States

Last updated June 30, 2025

The Grand Tower Limestone is a geologic formation in Illinois. It preserves fossils dating back to the Devonian period.

References

Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 25 March 2022. Retrieved 17 December 2021.

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Grand Tower Limestone

See also

References