Kope Formation
| Kope Formation | |
|---|---|
| Stratigraphic range: Katian | |
Photograph and etched section of hand sample of limestone of Kope Formation. Brachiopods and Bryozoans visible. | |
| Type | sedimentary |
| Unit of | Maquoketa Group, (in Indiana) Cincinnati Group (in Ohio) |
| Sub-units | Grand Avenue Member, Wesselman Tongue |
| Underlies | Dillsboro Formation and Fairview Formation |
| Overlies | Lexington Limestone, Plattin Formation, and Point Pleasant Formation |
| Lithology | |
| Primary | Shale |
| Other | Limestone |
| Location | |
| Region | Cincinnati Arch of North America |
| Extent | Kentucky, Ohio, Indiana |
The Kope Formation is one of the three component bedrock formations of the Maquoketa Group that primarily consists of shale (75%) with some limestone (25%) interbedded. In general, it has a bluish-gray color that weathers light gray to yellowish-gray and it occurs in northern Kentucky, southwest Ohio, and southeast Indiana, United States.