Morrow Group

The Morrow Group was a geologic group in Arkansas that is now abandoned and replaced by the Bloyd Formation and the Hale Formation. It preserves fossils dating back to the Pennsylvanian period.

Morrow Group
Stratigraphic range: Pennsylvanian
Type	Group
Sub-units	Bloyd Formation, Hale Formation
Underlies	Atoka Formation
Overlies	Pitkin Formation
Location
Region	Arkansas
Country	United States
Type section
Named for	Morrow, Washington County, Arkansas
Named by	George Irving Adams and Edward Oscar Ulrich[1]

See also

• Earth sciences portal
• United States portal
• Paleontology portal

• List of fossiliferous stratigraphic units in Arkansas
• Paleontology in Arkansas

References

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.