Grand Detour Formation
Grand Detour Formation Stratigraphic range: Ordovician | |
---|---|
Type | Formation |
Location | |
Region | Illinois |
Country | United States |
The Grand Detour Formation is a geologic formation in Illinois. It preserves fossils dating back to the Ordovician period.
See also[]
References[]
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
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Categories:
- Ordovician Iowa
- Ordovician Illinois
- Ordovician geology of Wisconsin
- Ordovician southern paleotropical deposits
- Illinois geologic formation stubs