Mattoon Formation
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The Mattoon Formation is a geologic formation in Illinois. It preserves fossils dating back to the Carboniferous period.
| Mattoon Formation | |
|---|---|
| Stratigraphic range: Pennsylvanian | |
| Type | Formation |
| Unit of | McLeansboro Group |
| Overlies | Bond Formation |
| Location | |
| Region | Illinois and Indiana |
| Country | United States |
See also
References
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