| Eutaw Formation | |
|---|---|
| Stratigraphic range: Upper Cretaceous | |
| Type | Geological formation |
| Sub-units | Tombigbee Sand Member, Ingersoll Shale |
| Underlies | Austin Group and Mooreville Chalk Formation |
| Overlies | Tuscaloosa Group |
| Thickness | 40 m (130 ft) to 120 m (390 ft) |
| Lithology | |
| Primary | Glauconitic sandstone |
| Location | |
| Region | Alabama, Georgia, Mississippi |
| Country | United States |
| Type section | |
| Named for | Eutaw, Alabama |
The Eutaw Formation is a geological formation in North America, within the U.S. states of Alabama, Georgia, and Mississippi. The strata date from the late Coniacian to the early Santonian stage of the Late Cretaceous.[1] It consists of the upper Tombigbee Sand Member and an unnamed lower member. Dinosaur, mosasaur, and pterosaur remains have been recovered from the Eutaw Formation.[2][3]