Earth:Eau Claire Formation
From HandWiki
Short description: American geologic formation
| 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
- List of fossiliferous stratigraphic units in Indiana
References
- ↑ 1.0 1.1 1.2 1.3 "Eau Claire Formation". Indiana Geological Survey. http://igs.indiana.edu/compendium/comp8gis.cfm.
- ((Various Contributors to the Paleobiology Database)). "Fossilworks: Gateway to the Paleobiology Database". http://www.fossilworks.org/cgi-bin/bridge.pl?action=home.
 |  |
