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Ingersoll Shale

Late Cretaceous geological unit in Alabama, United States

Summary

Late Cretaceous geological unit in Alabama, United States

Field	Value
name	Ingersoll Shale
type	Informal unit
age	Santonian
~
period	Santonian
prilithology	Claystone
otherlithology	Sandstone
region	Russell County, Alabama
country	United States
coordinates
paleocoordinates
unitof	Eutaw Formation
thickness	90 cm
extent
map	{{Location map+	United States#Alabama
relief	1
width	250
float	center
lat_deg	32.5
lon_deg	-85.0
mark	Lightgreen pog.svg
marksize	12

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.

Description

The Ingersoll Shale consists of a clay-dominated lens, asymmetrical in cross-section, with a maximum thickness of 90 cm and a width estimated to be less than 30 m.

References

Bibliography

References

Knight et al., 2011
[https://paleobiodb.org/classic/displayCollResults?formation=Eutaw&member=Ingersoll%20shale Ingersoll Shale] at [[Fossilworks]].org

Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

upper-cretaceous-series-of-north-america cretaceous-alabama santonian-stage claystone-formations sandstone-formations-of-the-united-states tidal-deposits lagerstätten fossiliferous-stratigraphic-units-of-north-america paleontology-in-alabama geologic-formations-of-alabama

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