| Waldron Shale Stratigraphic range: Silurian |
|
|---|---|
| Type | Formation |
| Underlies | Louisville Limestone |
| Overlies | Laurel Formation and Salamonie Dolomite |
| Location | |
| Country | United States |
| Extent | Indiana and Kentucky |
The Waldron Shale is a geologic formation in Indiana. It preserves fossils dating back to the Silurian period.