| 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.