Ingersoll Shale

Ingersoll Shale
Stratigraphic range: Santonian ~86–85 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
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 / 32.5; -85.0
Approximate paleocoordinates	32°24′N 54°12′W / 32.4°N 54.2°W / 32.4; -54.2
Region	Russell County, Alabama
Country	United States
Extent	<30 m (98 ft)
Ingersoll Shale (the United States) Show map of the United States Ingersoll Shale (Alabama) Show map of Alabama

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]