Fort Payne Formation

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Fort Payne Chert
Stratigraphic range: Viséan
UnderliesTuscumbia Limestone and Ullin Formation
OverliesMaccrady Formation and Springville Formation
RegionAppalachia and Southeastern United States
CountryUnited States
ExtentIllinois, Kentucky, Mississippi, Missouri, 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.

See also[edit]


  1. ^ a b Fort Payne Formation
  2. ^ Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 31 July 2014. Retrieved 22 June 2014.