| Tornillo Group | |
|---|---|
| Stratigraphic range: Late Cretaceous - Early Eocene | |
| Type | Group |
| Sub-units | Javelina Formation, Black Peaks Formation, Hannold Hill Formation |
| Location | |
| Region | Texas |
| Country | United States |
The Tornillo Group is a geologic group in Texas which dates from to the Late Cretaceous to the Early Eocene period.[1]