| Colmena Tuff | |
|---|---|
| Stratigraphic range: Paleogene | |
| Type | Group |
| Location | |
| Region | Texas |
| Country | United States |
The Colmena Tuff is a geologic group in Texas. It preserves fossils dating back to the Paleogene period.
The Wilcox Formation is a geologic formation in Tennessee. It preserves fossils dating back to the Paleogene period.
The Graham Formation is a geologic formation in Texas. It preserves fossils dating back to the Carboniferous period.
The Del Rio Formation is a geologic formation in Texas. It preserves fossils dating back to the Cretaceous period.
The Atco Formation is a geologic formation in Texas. It preserves fossils dating back to the Cretaceous period.
The Escondido Formation is a geologic formation in Texas and Coahuila, Mexico. It preserves fossils dating back to the Late Cretaceous period.
The Grayson Formation is a geologic formation in Texas. It preserves fossils dating back to the Cretaceous period.
The Kemp Clay is a geologic formation in Texas. It preserves fossils dating back to the Cretaceous period.
The Admiral Formation is a geologic formation in Texas. It preserves fossils dating back to the Permian period.
The Archer City Formation is a geologic formation in Texas. It preserves fossils dating back to the Permian period.
The Belle Plains Formation is a geologic formation in Texas. It preserves fossils dating back to the Permian period.
The Vale Formation is a geologic formation in Texas. It preserves fossils dating back to the Permian period.
The Clyde Formation is a geologic formation in Texas. It preserves fossils dating back to the Permian period.
The Delaware Mountain Formation is a geologic formation in the Delaware Mountains of Texas. It preserves fossils dating back to the Permian period.
The Nocona Formation is a geologic formation in Texas. It preserves fossils dating back to the Permian period.
The Petrolia Formation is a geologic formation in Texas. It preserves fossils dating back to the Permian period.
The Oakville Formation is a geologic formation in Texas. It preserves fossils dating back to the Neogene period.
The Washita Group is a geologic group in Texas. It preserves fossils dating back to the Cretaceous period.
The Clear Fork Group is a geologic group in the Texas Red Beds. It preserves fossils dating back to the Permian period.
The Wichita Group is a geologic group in the Texas Red Beds. It preserves fossils dating back to the Permian period.
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