La_Quinta_Formation

La Quinta Formation

La Quinta Formation

Geologic formation in South America

This article is about the formation in Colombia and Venezuela. For the amber-bearing Mexican formation, see La Quinta Formation, Mexico.

The La Quinta Formation is a Jurassic geologic formation which crops out in the Cordillera de Mérida and Serranía del Perijá of western Venezuela and northeastern Colombia. The formation is also present in the subsurface of the Cesar-Ranchería and Maracaibo Basins. At its type locality near La Grita, Táchira, it consists of a basal dacitic tuff followed by interlayered sandstones, tuffs, siltstones and rare limestones.[1] Dinosaur remains including Laquintasaura,[2] Tachiraptor, and Perijasaurus[3] are among the fossils that have been recovered from the formation.[4]

Quick Facts Type, Underlies ...

U–Pb zircon analysis demonstrates that the formation dates to 200.91+0.55 Ma at its base[2] and a maximum age of 174.8 Ma.[3]

Paleofauna

More information Genus, Species ...

Regional correlations

More information Ma, Age ...
Legend
  • group
  • important formation
  • fossiliferous formation
  • minor formation
  • (age in Ma)
  • proximal Llanos (Medina)[note 1]
  • distal Llanos (Saltarin 1A well)[note 2]

See also

Notes

  1. [N 1]
    based on Duarte et al. (2019)[41], García González et al. (2009),[42] and geological report of Villavicencio[43]
  2. [N 2]
    based on Duarte et al. (2019)[41] and the hydrocarbon potential evaluation performed by the UIS and ANH in 2009[44]

References

  1. [1]
    Barret et al., 2008, p.164
  2. [2]
    Barret et al., 2014
  3. [3]
    Rincón AF, Raad Pájaro DA, Jiménez Velandia HF, Ezcurra MD, Wilson Mantilla JA (2022). "A sauropod from the Lower Jurassic La Quinta Formation (Dept. Cesar, Colombia) and the initial diversification of eusauropods at low latitudes". Journal of Vertebrate Paleontology. 42: e2077112. doi:10.1080/02724634.2021.2077112. S2CID 251501541.
  4. [4]
    Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607
  5. [5]
    García González et al., 2009, p.27
  6. [6]
    García González et al., 2009, p.50
  7. [7]
    García González et al., 2009, p.85
  8. [8]
    Barrero et al., 2007, p.60
  9. [9]
    Barrero et al., 2007, p.58
  10. [10]
    Plancha 111, 2001, p.29
  11. [11]
    Plancha 177, 2015, p.39
  12. [12]
    Plancha 111, 2001, p.26
  13. [13]
    Plancha 111, 2001, p.24
  14. [14]
    Plancha 111, 2001, p.23
  15. [15]
    Pulido & Gómez, 2001, p.32
  16. [16]
    Pulido & Gómez, 2001, p.30
  17. [17]
    Pulido & Gómez, 2001, pp.21-26
  18. [18]
    Pulido & Gómez, 2001, p.28
  19. [19]
    Correa Martínez et al., 2019, p.49
  20. [20]
    Plancha 303, 2002, p.27
  21. [21]
    Terraza et al., 2008, p.22
  22. [22]
    Plancha 229, 2015, pp.46-55
  23. [23]
    Plancha 303, 2002, p.26
  24. [24]
    Moreno Sánchez et al., 2009, p.53
  25. [25]
    Mantilla Figueroa et al., 2015, p.43
  26. [26]
    Manosalva Sánchez et al., 2017, p.84
  27. [27]
    Plancha 303, 2002, p.24
  28. [28]
    Mantilla Figueroa et al., 2015, p.42
  29. [29]
    Arango Mejía et al., 2012, p.25
  30. [30]
    Plancha 350, 2011, p.49
  31. [31]
    Pulido & Gómez, 2001, pp.17-21
  32. [32]
    Plancha 111, 2001, p.13
  33. [33]
    Plancha 303, 2002, p.23
  34. [34]
    Plancha 348, 2015, p.38
  35. [35]
    Planchas 367-414, 2003, p.35
  36. [36]
    Toro Toro et al., 2014, p.22
  37. [37]
    Plancha 303, 2002, p.21
  38. [38]
    Bonilla et al., 2016, p.19
  39. [39]
    Gómez Tapias et al., 2015, p.209
  40. [40]
    Bonilla et al., 2016, p.22
  41. [41]
    Duarte et al., 2019
  42. [42]
    García González et al., 2009
  43. [43]
    Pulido & Gómez, 2001
  44. [44]
    García González et al., 2009, p.60

Bibliography

  • Barrett, Paul M.; Richard J. Butler; Roland Mundil; Torsten M. Scheyer; Randall B. Irmis, and Marcelo R. Sánchez-Villagra. 2014. A palaeoequatorial ornithischian and new constraints on early dinosaur diversification. Proceedings of the Royal Society B 281. 1–7. Accessed 2018-08-18.
  • Barrett, P. M., R. J. Butler, S. C. Moore-Fay, F. E. Novas, J. M. Moody, J. M. Clark, and M. R. Sänchez-Villagra. ‘Dinosaur Remains from the La Quinta Formation (Lower or Middle Jurassic) of the Venezuelan Andes’. Paläontologische Zeitschrift 82, no. 2 (2008): 163–177.
  • Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. ISBN 0-520-24209-2.

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