Garrard Siltstone
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| Garrard Siltstone | |
|---|---|
| Stratigraphic range: Ordovician | |
| Type | Formation |
| Underlies | Calloway Creek Formation |
| Overlies | Clays Ferry Formation |
| Location | |
| Region | Southeastern United States |
| Country | United States |
| Extent | Kentucky |
The Garrard Siltstone is a geologic formation in Kentucky. It dates back to the Ordovician period .
References
 | This article about a specific stratigraphic formation in Kentucky is a stub. You can help Wikipedia by expanding it. |