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Vilquechico Formation

Coordinates: 15°13′03″S 69°40′56″W / 15.21750°S 69.68222°W / -15.21750; -69.68222
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Vilquechico Formation
Stratigraphic range: Late Campanian-Late Maastrichtian
~76–66 Ma
TypeGeological formation
UnderliesAuzangate Formation
OverliesAyabacas Formation
Lithology
PrimarySandstone
OtherShale
Location
Coordinates15°13′03″S 69°40′56″W / 15.21750°S 69.68222°W / -15.21750; -69.68222
RegionPuno Department
Country Peru
Type section
Named forVilquechico

Paleogeography of Northern South America, 65 Ma
by Ron Blakey
Vilquechico Formation is located in Peru
Vilquechico Formation
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

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

See also

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References

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  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

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  • Jaimes, Fredy; Salas Gismundi, Rodolfo; Chacaltana, César (2016). Nuevas Icnitas de un Dinosaurio Terópodo del Cretáceo Superior en Sedimentitas de la Formación Vilquechico, Perú. XVIII Congreso Peruano de Geología. pp. 1–4. Retrieved 2017-06-05.
  • Salas Gismundi, Rodolfo; Chacaltana, César (2010). "Huellas de un arcosaurio triásico en la Formación Sarayaquillo (Cuenca Ene, Perú) y el icnoregistro de vertebrados en el mesozóico del Perú" (PDF). Boletín de la Sociedad Geológica del Perú. 104: 41–58. Retrieved 2017-06-05.
  • Weishampel, David B.; Dodson, Peter; Osmólska, Halszka, eds. (2004). The Dinosauria (2nd ed.). Berkeley: University of California Press. pp. 1–880. ISBN 0-520-24209-2. Retrieved 2019-02-21.