Tornillo Group
| 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][2][3][4] Dinosaur fossils have been unearthed in this group including Torosaurus, Tyrannosaurus, and Alamosaurus.[5][6]
See also
[edit]
References
[edit]- ^ Thomas M. Lehman, Steven L. Wick, Heather L. Beatty, William H. Straight, and Jonathan R. Wagner, 2018. Stratigraphy and depositional history of the Tornillo Group (Upper Cretaceous–Eocene) of West Texas. Geosphere 14 (5): 2206–2244. doi: https://doi.org/10.1130/GES01641.1
- ^ Lehman, Thomas M.; Cobb, Jacob; Sylvester, Paul; Souders, A. Kate (2022-09-23). "The Cretaceous-Paleogene contact in the Tornillo Group of Big Bend National Park, West Texas, USA". Geosphere. 18 (6): 1851–1884. doi:10.1130/GES02519.1. ISSN 1553-040X.
- ^ Bataille, Clément P.; Watford, Dylana; Ruegg, Stephen; Lowe, Alexander; Bowen, Gabriel J. (2016-09-01). "Chemostratigraphic age model for the Tornillo Group: A possible link between fluvial stratigraphy and climate". Palaeogeography, Palaeoclimatology, Palaeoecology. 457: 277–289. doi:10.1016/j.palaeo.2016.06.023. ISSN 0031-0182.
- ^ Lesko, Anna K.; Dworkin, Steve I.; Atchley, Stacy (2024). "Tectonic Controls on Maastrichtian Climate Change Determined from Paleosols of the Dawson Creek Section, Big Bend National Park, Texas". doi.org. Retrieved 2025-04-01.
- ^ Lawson, Douglas A. (1976). "Tyrannosaurus and Torosaurus, Maestrichtian Dinosaurs from Trans-Pecos, Texas". Journal of Paleontology. 50 (1): 158–164. ISSN 0022-3360.
- ^ Kues, Barry S.; Lehman, Thomas; Rigby, J. Keith (1980). "The Teeth of Alamosaurus sanjuanensis, a Late Cretaceous Sauropod". Journal of Paleontology. 54 (4): 864–869. ISSN 0022-3360.
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
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