Waldron Shale Stratigraphic range: Silurian |
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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.