| Cataract Group Stratigraphic range: Silurian |
|
|---|---|
| Type | Group |
| Underlies | Dayton Formation and Rochester Shale |
| Overlies | Cincinnati Group |
| Location | |
| Country | United States |
| Extent | Ohio |
The Cataract Group is a geologic group in Ohio. It dates back to the Silurian.