Type Formation Country United States Region North Dakota | Other Carbonate rock Named by E. C. Moore Primary Siltstone, Sandstone | |
Underlies unconsolidated sediment Thickness up to 426.5 feet (130 m) Overlies Chadron Formation, Brule Formation | ||
The Arikaree Formation is a geologic formation in North Dakota. It preserves fossils dating back to the Paleogene period.
References
Arikaree Formation Wikipedia(Text) CC BY-SA