Nachusa Formation

Nachusa Formation
Nachusa Formation
Stratigraphic range: Ordovician
Type	Formation
Location
Region	Illinois
Country	United States

Last updated July 21, 2025

The Nachusa Formation 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.

This article about a specific stratigraphic formation in Illinois is a stub. You can help Wikipedia by expanding it.

This page is based on this Wikipedia article
Text is available under the CC BY-SA 4.0 license; additional terms may apply.
Images, videos and audio are available under their respective licenses.

Nachusa Formation

See also

References