Ludlow Formation

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

Last updated June 30, 2025

The Ludlow Formation is a geologic formation in western North Dakota.^[1] It preserves fossils dating back to the Paleogene Period.

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.

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[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)

[1]

Ludlow Formation

See also

References