Ingersoll Shale
| Ingersoll Shale | |
|---|---|
| Stratigraphic range: Santonian ~ | |
| Type | Informal unit |
| Unit of | Eutaw Formation |
| Thickness | 90 cm (35 in) |
| Lithology | |
| Primary | Claystone |
| Other | Sandstone |
| Location | |
| Coordinates | 32°30′N 85°00′W / 32.5°N 85.0°W |
| Approximate paleocoordinates | 32°24′N 54°12′W / 32.4°N 54.2°W |
| Region | Russell County, Alabama |
| Country | United States |
| Extent | <30 m (98 ft) |
The Ingersoll Shale is a Late Cretaceous (Santonian) informal geological unit in eastern Alabama. Fourteen theropod feathers assigned to birds and possibly dromaeosaurids have been recovered from the unit.