Ingersoll Shale

Ingersoll Shale
Stratigraphic range: Santonian
~86–85 Ma
TypeInformal unit
Unit ofEutaw Formation
Thickness90 cm (35 in)
Lithology
PrimaryClaystone
OtherSandstone
Location
Coordinates32°30′N 85°00′W / 32.5°N 85.0°W / 32.5; -85.0
Approximate paleocoordinates32°24′N 54°12′W / 32.4°N 54.2°W / 32.4; -54.2
RegionRussell County, Alabama
Country United States
Extent<30 m (98 ft)
Ingersoll Shale is located in the United States
Ingersoll Shale
Ingersoll Shale (the United States)
Ingersoll Shale is located in Alabama
Ingersoll Shale
Ingersoll Shale (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]

  1. ^ Knight et al., 2011
  2. ^ Ingersoll Shale at Fossilworks.org