Vilquechico Formation
A Late Campanian to Late Maastrichtian geologic formation in southern Peru
Vilquechico Formation | |
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Stratigraphic range: Late Campanian-Late Maastrichtian ~76–66 Ma PreꞒ Ꞓ O S D C P T J K Pg N | |
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; -69.68222 |
Region | Puno Department |
Country | ![]() |
Type section | |
Named for | Vilquechico |
![]() Paleogeography of Northern South America, 65 Ma by Ron Blakey |
![Vilquechico Formation is located in Peru](http://upload.wikimedia.org/wikipedia/commons/thumb/b/b8/Peru_physical_map.svg/330px-Peru_physical_map.svg.png)
![Vilquechico Formation](http://upload.wikimedia.org/wikipedia/commons/thumb/6/60/Lightgreen_pog.svg/12px-Lightgreen_pog.svg.png)
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Type locality of the Vilquichico Formation in PeruThe 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
Bibliography
- 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.