Delaware Limestone
| Delaware Limestone | |
|---|---|
| Stratigraphic range: Devonian | |
| Type | Formation | 
| Underlies | Olentangy Shale and Plum Brook Shale | 
| Overlies | Columbus Limestone | 
| Location | |
| Country | United States | 
| Extent | Ohio | 
The Delaware Limestone is a geologic formation in Ohio. It dates back to the Devonian.