El Picacho Formation

The El Picacho Formation is a geological formation in Texas whose strata date back to the Late Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation.[1] The paleosols found here are rich in clay, calcite, and rhizoliths which show that during the Cretaceous period, this fossil formation, just like the neighboring Javelina Formation and Aguja Formation, was a fluvial flood plain.[2]

El Picacho Formation
Stratigraphic range: Maastrichtian, 72–66 Ma
TypeGeological formation
Location
RegionNorth America

Vertebrate paleofauna

See also
  • List of dinosaur-bearing rock formations

References
  1. Weishampel, David B; et al. (2004). "Dinosaur distribution (Late Cretaceous, North America)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 574-588. ISBN 0-520-24209-2.
  2. Lehman, Thomas M. (1 February 1989). "Upper Cretaceous (Maastrichtian) paleosols in Trans-Pecos Texas". GSA Bulletin. 101 (2): 188–203. Bibcode:1989GSAB..101..188L. doi:10.1130/0016-7606(1989)101<0188:UCMPIT>2.3.CO;2.
  3. Williamson, Thomas E.; Weil, Anne (12 December 2008). "Stratigraphic Distribution of Sauropods in the Upper Cretaceous of the San Juan Basin, New Mexico, with Comments on North America's Cretaceous 'Sauropod Hiatus'". Journal of Vertebrate Paleontology. Taylor & Francis, Ltd. 28 (4): 1218–1223. doi:10.1671/0272-4634-28.4.1218. JSTOR 20491055. S2CID 129950838. Retrieved 16 November 2020.
  4. Osmólska, Halszka; Dobson, Peter; Weishampel, David B. (6 November 2004). The Dinosauria. Berkeley, CA: University of California Press. p. 582. ISBN 9780520242098.
  5. Lehman, Thomas M. (1996). "A Horned Dinosaur from the El Picacho Formation of West Texas, and Review of Ceratopsian Dinosaurs from the American Southwest". Journal of Paleontology. 70 (3): 494–508. doi:10.1017/S0022336000038427. JSTOR 1306444. Retrieved 21 October 2020.
  6. Osmólska, Halszka; Dobson, Peter; Weishampel, David B. (6 November 2004). The Dinosauria. Berkeley, CA: University of California Press. p. 582. ISBN 9780520242098.
  7. Wagner, Jonathan R. (May 2001). "The hadrosaurian dinosaurs (ornithiscia: hadrosauria) of Big Bend National Park, Brewster County, Texas, with implications for late Cretaceous paleozoogeography". Doctoral Dissertation, Texas Tech University. Retrieved 21 October 2020.
  8. Osmólska, Halszka; Dobson, Peter; Weishampel, David B. (6 November 2004). The Dinosauria. Berkeley, CA: University of California Press. p. 582. ISBN 9780520242098.
  9. Osmólska, Halszka; Dobson, Peter; Weishampel, David B. (6 November 2004). The Dinosauria. Berkeley, CA: University of California Press. p. 582. ISBN 9780520242098.
  10. Osmólska, Halszka; Dobson, Peter; Weishampel, David B. (6 November 2004). The Dinosauria. Berkeley, CA: University of California Press. p. 582. ISBN 9780520242098.


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