Ludlow Formation
| Ludlow Formation | |
|---|---|
| Stratigraphic range: Paleogene | |
|  Jarosite concretions from the Ludlow Formation (South Dakota) | |
| 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 | 
The Ludlow Formation is a geologic formation in western North Dakota.[1] It preserves fossils dating back to the Paleogene Period.
See also
References
- ^ Bluemle, John P. 1988. "Generalized Bedrock Geological Map of North Dakota" (PDF). North Dakota Geological Survey, Miscellaneous Map 28. Retrieved 2017-02-03.{{cite web}}: CS1 maint: numeric names: authors list (link)
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.