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