Chaunaca Formation

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.^[1][2]

• List of dinosaur-bearing rock formations
  • List of stratigraphic units with sauropodomorph tracks
    • Sauropod tracks

• 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

• 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