| Chickamauga Formation | |
|---|---|
| Stratigraphic range: Ordovician | |
| Type | Formation |
| Location | |
| Region |  Alabama |
| Country |  United States |
The Chickamauga Formation is a geologic formation in Alabama. It preserves fossils dating back to the Ordovician period.
| Chickamauga Formation | |
|---|---|
| Stratigraphic range: Ordovician | |
| Type | Formation |
| Location | |
| Region | Alabama |
| Country | United States |
The Chickamauga Formation is a geologic formation in Alabama. It preserves fossils dating back to the Ordovician period.
The Chepultepec Formation, is an Early Ordovician-age geological formation in the Appalachian regions of Eastern North America. Also known as the Chepultepec Dolomite, it is a unit of the Upper Knox Group, overlying the Copper Ridge Dolomite and underlying the Longview-Kingsport-Mascot sequence. The Chepultepec Formation is a primarily limestone and dolomite formation, the earliest formation of the Ordovician period in its area. Further north, it is equivalent to the Stonehenge Formation of the Beekmantown Group. The formation was first described from Allgood, Alabama, and has also been found in Tennessee and Virginia. Allgood was originally named "Chepultepec", providing its name to the formation as well. In Virginia, the Chepultepec Formation has a habit of forming large natural arches, including Natural Tunnel in Scott County and Natural Bridge in Rockbridge County.
The Sequatchie Formation is a geologic formation in Alabama, Georgia, and Tennessee. It preserves fossils dating back to the Ordovician period.
The Newala Formation is a geologic formation in Alabama. It preserves fossils dating back to the Ordovician period.
The Bucatunna Formation is a geologic formation in Alabama. It preserves fossils dating back to the Paleogene period.
The Fort Gaines Formation is a geologic formation in Alabama. It preserves fossils dating back to the Paleogene period.
The Red Bluff Formation is a geologic formation in Alabama. It preserves fossils dating back to the Paleogene period.
The Little Oak Formation is a geologic formation in Alabama. It preserves fossils dating back to the Ordovician period.
The Tuscaloosa Formation is a geologic formation in Alabama. It preserves fossils dating back to the Cretaceous period.
The Prairie Bluff Chalk is a geologic formation in Alabama and Mississippi. It preserves fossils dating back to the Cretaceous period.
The Bangor Formation is a geologic formation in Alabama. It preserves fossils dating back to the Carboniferous period.
The Hartselle Sandstone is a geologic formation in Alabama. It preserves fossils dating back to the Carboniferous period.
The Mary Lee Formation is a geologic formation in Alabama. It preserves fossils dating back to the Carboniferous period.
The Monteagle Limestone is a geologic formation in Alabama. It preserves fossils dating back to the Carboniferous period.
The Parkwood Formation is a geologic formation in Alabama. It preserves fossils dating back to the Carboniferous period.
The Pratt Formation is a geologic formation in Alabama. It preserves fossils dating back to the Carboniferous period.
The Conesauga Formation is a geologic formation in Alabama. It preserves fossils dating back to the Cambrian period.
The Naheola Formation is a geologic formation in Alabama, United States. It preserves fossils.
The Byram Formation is a geologic formation in Alabama. It preserves fossils.
The Bangor Limestone is a fossil bearing Mississippian geologic formation in Alabama.
The Nanafalia Formation is a geologic formation in Alabama. It preserves fossils.
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