The Mattoon Formation is a geologic formation in Illinois. It preserves fossils dating back to the Carboniferous period.

Mattoon Formation
Stratigraphic range: Pennsylvanian
TypeFormation
Unit ofMcLeansboro Group
OverliesBond Formation
Location
RegionIllinois and Indiana
CountryUnited States

See also

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References

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