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]
| Vilquechico Formation | |
|---|---|
| Stratigraphic range: Late Campanian-Late Maastrichtian ~ | |
| 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 |
| 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
Paleofauna
editIn the formation, tracks of the following species have been found:[3][4]
See also
editReferences
editBibliography
edit- 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.