From Wikipedia, the free encyclopedia
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

  1. ^ 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)