Vilquechico Formation

Vilquechico Formation
Stratigraphic range: Late Campanian-Late Maastrichtian
~76–66 Ma
Type Geological formation
Underlies Auzangate Formation
Overlies Ayabacas Formation
Lithology
Primary Sandstone
Other Shale
Location
Coordinates 15°13′03″S 69°40′56″W / 15.21750°S 69.68222°W / -15.21750; -69.68222Coordinates: 15°13′03″S 69°40′56″W / 15.21750°S 69.68222°W / -15.21750; -69.68222
Region Puno Department
Country Peru
Type section
Named for Vilquechico

Paleogeography of Northern South America, 65 Ma
by Ron Blakey
Type locality of the Vilquichico Formation in Peru

The Vilquechico Formation is a Late Campanian to Late Maastrichtian geologic formation in southern Peru. Fossil ornithopod tracks have been reported from the formation.[1] The formation overlies the Ayabacas Formation and is overlain by the Auzangate Formation.[2]

Paleofauna

In the formation, tracks of the following species have been found:[3][4]

See also

References

  1. ↑ Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.
  2. ↑ Jaimes et al., 2016, p.1
  3. ↑ Salas & Chacaltana, 2010, p.54
  4. ↑ Jaimes et al., 2016, p.3

Bibliography

  • Jaimes, Fredy; Rodolfo Salas Gismundi, and César Chacaltana. 2016. Nuevas Icnitas de un Dinosaurio Terópodo del Cretáceo Superior en Sedimentitas de la Formación Vilquechico, Perú, 1-4. XVIII Congreso Peruano de Geología. Accessed 2017-06-05.
  • Salas Gismundi, Rodolfo, and César Chacaltana. 2010. Huellas de un arcosaurio triásico en la Formación Sarayaquillo (Cuenca Ene, Perú) y el icnoregistro de vertebrados en el mesozóico del Perú. Boletín de la Sociedad Geológica del Perú 104. 41-58. Accessed 2017-06-05.
  • 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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