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The Grainger Formation is a
geologic formation A geological formation, or simply formation, is a body of rock having a consistent set of physical characteristics ( lithology) that distinguishes it from adjacent bodies of rock, and which occupies a particular position in the layers of rock exp ...
in
Tennessee Tennessee ( , ), officially the State of Tennessee, is a landlocked state in the Southeastern region of the United States. Tennessee is the 36th-largest by area and the 15th-most populous of the 50 states. It is bordered by Kentucky to th ...
,
Kentucky Kentucky ( , ), officially the Commonwealth of Kentucky, is a state in the Southeastern region of the United States and one of the states of the Upper South. It borders Illinois, Indiana, and Ohio to the north; West Virginia and Virginia to ...
, and
Virginia Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...
. It preserves
fossils A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved in ...
dating back to the early Mississippian subperiod of the
Carboniferous The Carboniferous ( ) is a geologic period and system of the Paleozoic that spans 60 million years from the end of the Devonian Period million years ago ( Mya), to the beginning of the Permian Period, million years ago. The name ''Carbonifero ...
period.


See also

*
List of fossiliferous stratigraphic units in Tennessee This article contains a list of fossil-bearing stratigraphic units in the state of Tennessee, U.S. Sites See also * Paleontology in Tennessee References * {{DEFAULTSORT:Fossiliferous stratigraphic units in Tennessee Tennessee Stratig ...
* List of fossiliferous stratigraphic units in Kentucky *
List of fossiliferous stratigraphic units in Virginia This article contains a list of fossil-bearing stratigraphic units in the state of Virginia, U.S. Sites See also * Paleontology in Virginia References * {{DEFAULTSORT:Fossiliferous stratigraphic units in Virginia Virginia Stratigraph ...
*
Paleontology in Tennessee Paleontology in Tennessee refers to paleontological research occurring within or conducted by people from the U.S. state of Tennessee. During the early part of the Paleozoic era, Tennessee was covered by a warm, shallow sea. This sea was home to br ...
* Paleontology in Kentucky *
Paleontology in Virginia Paleontology in Virginia refers to paleontological research occurring within or conducted by people from the U.S. state of Virginia. The geologic column in Virginia spans from the Cambrian to the Quaternary. During the early part of the Paleozoic ...


References

* Carboniferous geology of Tennessee Carboniferous Kentucky Carboniferous geology of Virginia {{Tennessee-geologic-formation-stub