Tuscaloosa Formation: Difference between revisions
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Latest revision as of 16:09, 31 August 2022
Lithostratigraphy: Embayment Megagroup >>Tuscaloosa Formation
Chronostratigraphy: Mesozoic Erathem >>Cretaceous System >>Gulfian Series
Remarks
The Tuscaloosa Formation has been abandoned in Illinois. The formation in Illinois and Missouri was found to be a different age than deposits in Kentucky and Tennessee, and the unit has been renamed Post Creek Formation.
References
Harrison, Richard W. and Ronald J. Litwin, 1997, Campanian coastal plain sediments in southeastern Missouri and southern Illinois— significance to the early geologic history of the northern Mississippi Embayment: Cretaceous Research 18, no. 5, p. 687-696.
ISGS Codes
| Stratigraphic Code | Geo Unit Designation |
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