The Chota Formation is an

Early Campanian The Campanian is the fifth of six ages of the Late Cretaceous Epoch on the geologic timescale of the International Commission on Stratigraphy (ICS). In chronostratigraphy, it is the fifth of six stages in the Upper Cretaceous Series. Campanian ...

to Late Eocene geologic

formation Formation may refer to: Linguistics * Back-formation, the process of creating a new lexeme by removing or affixes * Word formation, the creation of a new word by adding affixes Mathematics and science * Cave formation or speleothem, a secondar ...

of the

Cajamarca Cajamarca (), also known by the Quechua name, ''Kashamarka'', is the capital and largest city of the Cajamarca Region as well as an important cultural and commercial center in the northern Andes. It is located in the northern highlands of Peru ...

and western

Amazonas Region Amazonas () is a department and region in northern Peru bordered by Ecuador on the north and west, Cajamarca on the west, La Libertad on the south, and Loreto and San Martín on the east. Its capital is the city of Chachapoyas. With a lands ...

in northern Peru. Dinosaur remains are among the fossils that have been recovered from the formation, although none have yet been referred to a specific genus.Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607. The formation was formerly named Bagua Formation.Chacaltana et al., 2014

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Bibliography

* *

* * {{cite LSA , last=Cruzado Vásquez , first=Gilberto , year=2009 , title=Estudio de geología , url=http://zeeot.regioncajamarca.gob.pe/sites/default/files/GEOLOGIA.pdf , publisher=Gobierno regional de Cajamarca , pages=1-90 , accessdate=2017-06-05 * T. Mourier, P. Bengtson, M. Bonhomme, E. Buge, H. Cappetta, J.-Y. Crochet, M. Feist, K. F. Hirsch, E. Jaillard, G. Laubacher, J. P. Lefranc, M. Moullade, C. Noblet, D. Pons, J. Rey, B. Sigé, Y. Tambareau and P. Taquet. 1988. The Upper Cretaceous–Lower Tertiary marine to continental transition in the Bagua Basin, northern Peru: paleontology, biostratigraphy, radiometry, correlations. Newsletters on Stratigraphy 19(3):143-177 Geologic formations of Peru Upper Cretaceous Series of South America Cretaceous Peru Campanian Stage Maastrichtian Stage of South America Cretaceous–Paleogene boundary Paleogene Peru Paleocene Series of South America Danian Stage Selandian Stage Thanetian Stage Eocene Series of South America Ypresian Stage Lutetian Stage Bartonian Stage Shale formations Sandstone formations Fluvial deposits Shallow marine deposits Evaporite deposits Fossiliferous stratigraphic units of South America Paleontology in Peru

See also

References

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Further reading