Earth:Caiuá Formation
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| Caiuá Formation Stratigraphic range: Barremian-Aptian ~130–120 Ma | |
|---|---|
| Type | Geological formation |
| Unit of | Bauru Group |
| Underlies | Santo Anastácio Formation |
| Overlies | Serra Geral Formation |
| Lithology | |
| Primary | Sandstone |
| Location | |
| Coordinates | [ ⚑ ] : 22°00′S 53°00′W / 22.0°S 53.0°W |
| Region | Paraná |
| Country | Brazil Paraguay |
| Extent | Paraná Basin |
  Caiuá Formation (Brazil) | |
The Caiuá Formation is an Early Cretaceous geologic formation in Brazil and Paraguay. Fossil theropod tracks have been reported from the formation.[1] The formation, the lowermost unit of the Bauru Group, was deposited in the Barremian and Aptian epochs of the Early Cretaceous, around 130 to 120 Ma. The formation is unconformably overlain by the Santo Anastácio Formation and the unconformity probably represents the start of the opening of the South Atlantic and the formation of the Santos Basin.[2]
See also
- List of dinosaur-bearing rock formations
- List of stratigraphic units with theropod tracks
- List of fossiliferous stratigraphic units in Paraguay
References
Bibliography
- Brusatte, Stephen L.; Candeiro, Carolos R.A.; Simbras, Felipe M. (2017), "The Last Dinosaurs of Brazil: The Bauru Group and its implications for the end of the Cretaceous mass extinction", Anais da Academia Brasileira de Ciências 89 (3): 1465–1485, doi:10.1590/0001-3765201720160918, PMID 28954171, https://www.researchgate.net/publication/319945445, retrieved 2019-02-21
- 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, https://books.google.com/books?id=vtZFDb_iw40C, retrieved 2019-02-21
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