The Buena Vista Formation is a Late Permian-Early Triassic geologic formation of the Cerro Largo Department in northeastern Uruguay. The fluvial sandstones and mudstones preserve temnospondyl and archosaur fossils.
| Buena Vista Formation | |
|---|---|
| Stratigraphic range: Late Permian-Early Triassic ~ | |
| Type | Geological formation |
| Underlies | Tacuarembó Formation |
| Overlies | Yaguarí Formation |
| Lithology | |
| Primary | Sandstone, mudstone |
| Other | Conglomerate |
| Location | |
| Coordinates | 32°18′S 54°06′W / 32.3°S 54.1°W |
| Approximate paleocoordinates | 40°12′S 15°42′W / 40.2°S 15.7°W |
| Region | Cerro Largo Department |
| Country |  Uruguay |
| Extent | Norte Basin |
  Buena Vista Formation (Uruguay) | |
Description edit
The Buena Vista Formation is characterized by reddish fine sandstone interbedded with lenticular clay layers and intraformational conglomerates deposited in a fluvial environment.[1]
Fossil content edit
The following fossils have been reported from the formation:[2][1]
See also edit
References edit
- ^ a b Pineiro et al., 2003
- ^ Buena Vista Formation at Fossilworks.org
- ^ Graciela Piñeiro; Alejandro Ramos; Claudia Marsicano (2012). "A rhinesuchid-like temnospondyl from the Permo-Triassic of Uruguay". Comptes Rendus Palevol. 11 (1): 65–78. Bibcode:2012CRPal..11...65P. doi:10.1016/j.crpv.2011.07.007.
Bibliography edit
- Pineiro, G.; M. Verde; M. Ubilla, and J. Ferigolo. 2003. First Basal Synapsids (“Pelycosaurs”) from the Upper Permian - ?Lower Triassic of Uruguay. Journal of Paleontology 77. 389-392. Accessed 2020-06-15.