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°WCoordinates: 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 | ![]() |
Extent | <30 m (98 ft) |
![]() ![]() Ingersoll Shale (the United States) |
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.[1][2]
Description[]
The Ingersoll Shale consists of a clay-dominated lens, asymmetrical in cross-section, with a maximum thickness of 90 centimetres (35 in) and a width estimated to be less than 30 metres (98 ft).
References[]
- ^ Knight et al., 2011
- ^ Ingersoll Shale at Fossilworks.org
Bibliography[]
Categories:
- Upper Cretaceous Series of North America
- Cretaceous Alabama
- Santonian Stage
- Shale formations of the United States
- Sandstone formations of the United States
- Tidal deposits
- Lagerstätten
- Fossiliferous stratigraphic units of North America
- Paleontology in Alabama