Fort Payne Formation

Fort Payne Chert
Fort Payne Chert
Stratigraphic range: Viséan
	Chertified fossiliferous limestone from the Fort Payne Formation (Kentucky)
Type	Formation
Underlies	Tuscumbia Limestone and Ullin Formation
Overlies	Maccrady Formation and Springville Formation
Lithology
Primary	limestone
Location
Region	Appalachia and Southeastern United States
Country	United States
Extent	Illinois, Kentucky, Mississippi, Missouri, Tennessee, and Virginia

The Fort Payne Formation, or Fort Payne Chert, is a geologic formation found in the southeastern region of the United States.^[1] It is a Mississippian Period cherty limestone, that overlies the Chattanooga Shale (or locally the Maury Formation), and underlies the St. Louis Limestone (lower Tuscumbia Limestone in Alabama). To the north, it grades into the siltstone Borden Formation.^[1] It preserves fossils dating back to the Carboniferous period.^[2]

Eugene Allen Smith named the Fort Payne Formation for outcrops at Fort Payne, Alabama.

References

^ ^a ^b USGS.gov: Fort Payne Formation
^ Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 25 March 2022. Retrieved 17 December 2021.

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