Nacatoch Formation

Nacatoch Formation
Stratigraphic range: Late Cretaceous
Type	Formation
Underlies	Arkadelphia Marl
Overlies	Saratoga Formation
Thickness	150 to 400 feet[1]
Location
Region	Arkansas
Country	United States
Type section
Named for	Nacatoch Bluff on the Little Missouri River, Clark County, Arkansas
Named by	Albert Homer Purdue[2]

The Nacatoch Formation is a geologic formation in Arkansas, USA.[1] It preserves fossils dating back to the Cretaceous period.

See also

• List of fossiliferous stratigraphic units in Arkansas
• Paleontology in Arkansas

References

1. McFarland, John David (2004) [1998]. "Stratigraphic summary of Arkansas" (PDF). Arkansas Geological Commission Information Circular. 36: 30–31. Archived from the original (PDF) on 2016-12-21. Retrieved 2018-01-12.
2. Veatch, A.C. (1905). "Underground waters of eastern United States". U.S. Geological Survey Water-Supply Paper. 114: 183.

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.