The Ludlow Formation is a geologic formation in western North Dakota.[1] It preserves fossils dating back to the Paleogene Period.
Ludlow Formation | |
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Stratigraphic range: Paleogene | |
Type | Formation |
Unit of | (partially) Fort Union Formation |
Underlies | Cannonball Formation and Slope Formation |
Overlies | Hell Creek Formation |
Location | |
Region | North Dakota, South Dakota |
Country | United States |
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