Fort Atkinson Limestone
Geologic formation in Illinois
Fort Atkinson Limestone | |
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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 |
The Fort Atkinson Limestone 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". Archived from the original on 25 March 2022. Retrieved 17 December 2021.
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Chronostratigraphy of Illinois
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