| 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.
 | This article about a specific stratigraphic formation in Texas is a stub. You can help Wikipedia by expanding it. |
