Eau Claire Formation
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| Eau Claire Formation | |
|---|---|
| Stratigraphic range: Cambrian | |
_1.jpg) Eau Claire Formation (Middle to Upper Cambrian; Warren County core, Ohio) | |
| Type | Formation |
| Unit of | Munising Group |
| Underlies | Davis Formation, Galesville Sandstone, Kerbel Formation, Knox Dolomite, and Potosi Dolomite |
| Overlies | Mount Simon Sandstone |
| Thickness | 400 to 1000 feet in Indiana[1] |
| Lithology | |
| Primary | Sandstone |
| Other | Siltstone, shale, dolomite |
| Location | |
| Region | Indiana, Illinois, Wisconsin, Michigan, Minnesota, western Ohio, and western Kentucky. Equivalent to the Bonneterre Formation in Missouri[1] |
| Country | United States |
| Type section | |
| Named for | Outcrops along the Eau Claire River, Eau Claire County, Wisconsin[1] |
| Named by | E. O. Ulrich |
The Eau Claire Formation is a geologic formation in the north central United States. It preserves trilobite fossils from the Cambrian Period.[1]
See also
References
- ^ a b c d "Eau Claire Formation". Indiana Geological Survey. Retrieved 2015-05-18.
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
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 | This article about a specific stratigraphic formation in the United States is a stub. You can help Wikipedia by expanding it. |
Categories:
- Cambrian United States
- Dolomite formations
- Cambrian Kentucky
- Cambrian Illinois
- Cambrian Indiana
- Cambrian Michigan
- Cambrian Ohio
- Cambrian geology of Wisconsin
- Cambrian System of North America
- Cambrian southern paleotemperate deposits
- Cambrian southern paleotropical deposits
- United States geologic formation stubs
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