Fort Atkinson Limestone

Fort Atkinson Limestone
Fort Atkinson Limestone
Stratigraphic range: Ordovician
Type	Formation
Unit of	Maquoketa Group
Underlies	Brainard Shale and Whitewater Formation
Overlies	Scales Shale
Location
Region	Illinois, Indiana
Country	United States

Last updated June 30, 2025

The Fort Atkinson Limestone is a geologic formation in Illinois. It preserves fossils dating back to the Ordovician 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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Fort Atkinson Limestone

See also

References