Olentangy Shale
| Olentangy Shale Stratigraphic range: Late Devonian |
|
|---|---|
| Type | Formation |
| Underlies | Ohio Shale |
| Overlies | Hillsboro Sandstone and Tymochtee Dolomite |
| Location | |
| Region |
 Ohio
|
| Country |
 United States
|
The Olentangy Shale is a geologic formation in Ohio. It preserves fossils dating back to the Devonian period.
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Wikipedia