Earth:Laguna Brava Formation
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| Laguna Brava Formation Stratigraphic range: Late Eocene (Tinguirirican) | |
|---|---|
| Type | Geological formation |
| Overlies | Quebrada Santo Domingo Formation |
| Lithology | |
| Primary | Sandstone, red beds, tuff |
| Location | |
| Coordinates | [ ⚑ ] : 28°30′S 68°48′W / 28.5°S 68.8°W |
| Paleocoordinates | [ ⚑ ] 30°36′S 60°36′W / 30.6°S 60.6°W |
| Region | Mendoza Province, Argentine Northwest |
| Country | Argentina |
| Extent | Precordillera |
| Type section | |
| Named for | Laguna Brava |
  Laguna Brava Formation (Argentina) | |
Laguna Brava Formation (Spanish: Formación Laguna Brava), formerly referred to as Santo Domingo Formation, is a Late Eocene (Tinguirirican in the SALMA classification) sedimentary formation located in the Argentine Northwest.[1] The formation contains beds with fossil bird tracks described as Gruipeda dominguensis.[2]
It was formerly thought that the formation was of Triassic age.[3]
References
- ↑ Quebrada de Santa Domingo at Fossilworks.org
- ↑ Vizán, H.; Geuna, S.; Melchor, R.; Bellosi, E.S.; Lagorio, S.L.; Vásquez, C.; Japas, M.S.; Ré, G. et al. (2013), "Geological setting and paleomagnetism of the Eocene red beds of Laguna Brava Formation (Quebrada Santo Domingo, northwestern Argentina)", Tectonophysics 583: 105–123, doi:10.1016/j.tecto.2012.10.026, Bibcode: 2013Tectp.583..105V
- ↑ Melchor, Ricardo M.; de Valais, Silvina; Genise, Jorge F. (2013), "Retraction: Bird-like fossil footprints from the Late Triassic", Nature 501 (7466): 262, doi:10.1038/nature12497, PMID 23925120, Bibcode: 2013Natur.501..262M
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