Tornillo Group

Last updated
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, Alamosaurus and Kritosaurus. [5] [6] [7]

See also

References

  1. ↑ 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. Geosphere14 (5): 2206–2244. doi: https://doi.org/10.1130/GES01641.1
  2. ↑ 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. hdl: 2346/93451 . ISSN   1553-040X.
  3. ↑ 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.
  4. ↑ 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. doi:10.2139/ssrn.4948129 . Retrieved 2025-04-01.
  5. ↑ Lawson, Douglas A. (1976). "Tyrannosaurus and Torosaurus, Maestrichtian Dinosaurs from Trans-Pecos, Texas". Journal of Paleontology. 50 (1): 158–164. ISSN   0022-3360. JSTOR   1303647.
  6. ↑ 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. JSTOR   1304317.
  7. ↑ Horton, Robert (2006). "Geology and vertebrate paleontology of Cretaceous and Tertiary strata on the Pitcock Rosillos Mountain Ranch, Brewster County, Texas". Texas Christian University ProQuest Dissertations & Theses.


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