Warsaw Formation
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Geologic formation in the United States
| Warsaw Formation | |
|---|---|
| Stratigraphic range: Mississippian | |
_(41598898692).jpg) | |
| Type | Formation |
| Underlies | Salem Formation |
| Overlies | Keokuk Limestone[1] |
| Location | |
| Region | Illinois, Iowa, Missouri |
| Country | United States |
| Type section | |
| Named for | Warsaw, Hancock County, Illinois[1] |
The Warsaw Formation is a geologic formation in Illinois, Iowa and Missouri. It preserves fossils dating back to the Mississippian subperiod. Brachiopod, bryozoan, and crinoid fossils are common, particularly the bryozoan Archimedes.[2]
References
- 1 2 Thompson, Thomas L., 2001, Lexicon of Stratigraphic Nomenclature in Missouri, Missouri Department of Natural Resources, Division of Geology and Land Survey, Report of Investigation Number 73, p 145
- ↑ "Handbook of Illinois stratigraphy | Resources | UIUC". resources.isgs.illinois.edu. Retrieved 2026-03-12.
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 19 August 2022. Retrieved 22 June 2014.
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