| Chaunaca Formation | |
|---|---|
| Stratigraphic range: Campanian | |
| Type | Geological formation |
| Unit of | Upper Puca Group |
| Overlies | Aroifilla Formation |
| Lithology | |
| Primary | Sandstone |
| Location | |
| Coordinates | 19°06′S 65°30′W / 19.1°S 65.5°W / -19.1; -65.5 |
| Approximate paleocoordinates | 22°24′S 47°06′W / 22.4°S 47.1°W / -22.4; -47.1 |
| Region | Chuquisaca Department |
| Country |  Bolivia |
| Extent | Subandean Belt |
| Type section | |
| Named for | Chaunaca |
  Chaunaca Formation (Bolivia) | |
The Chaunaca Formation is a Campanian geologic formation of Bolivia. Fossil sauropod tracks have been reported from the formation.
See also
References
- Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.
- Humaca tracksite at Fossilworks.org
Bibliography
- Weishampel, David B.; Dodson, Peter; Osmólska, Halszka (2004), The Dinosauria, 2nd edition, Berkeley: University of California Press, pp. 1–880, ISBN 0-520-24209-2, retrieved 2019-02-21
Further reading
- Lockley, M.G.; Schulp, A.S.; Meyer, C.A.; Leonardi, G.; Mamani, D.K. (2002), "Titanosaurid trackways from the Upper Cretaceous of Bolivia: evidence for large manus, wide-gauge locomotion and gregarious behaviour", Cretaceous Research, 23 (3): 383–400, Bibcode:2002CrRes..23..383L, doi:10.1006/cres.2002.1006, retrieved 2019-03-03