Clays Ferry Formation
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| Clays Ferry Formation | |
|---|---|
| Stratigraphic range: Ordovician | |
| Type | Formation |
| Underlies | Garrard Siltstone |
| Overlies | Lexington Limestone |
| Location | |
| Region | Ohio |
| Country | United States |
The Clays Ferry Formation is a geologic formation in Ohio and Kentucky. It preserves fossils dating back to the Ordovician period, especially rafinesquina.
