Nacatoch Formation
Appearance
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
[edit]References
[edit]- ^ a b 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.
- ^ 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.