Laguna Brava Formation
| Laguna Brava Formation Stratigraphic range: Eocene | |
|---|---|
| Type | Geological formation |
| Overlies | Quebrada Santo Domingo Formation |
| Lithology | |
| Primary | Sandstone, red beds, tuff |
| Location | |
| Region | Argentine Northwest |
| Country | Argentina |
| Type section | |
| Named for | Laguna Brava |
Laguna Brava Formation (Spanish: Formación Laguna Brava), formerly referred sometimes as Santo Domingo Formation, is an Eocene sedimentary formation located in the Argentine Northwest. The formation contains beds with fossil bird tracks.[1]
It was formerly thought that the formation was of Triassic age.[2]
References
- ↑ Vizán, H.; Geuna, S.; Melchor, R.; Bellosi, E.S.; Lagorio, S.L.; Vásquez, C.; Japas, M.S.; Ré, G.; Do Campo, M. (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
- ↑ Melchor, Ricardo M.; de Valais, Silvina; Genise, Jorge F. (2013), "Retraction: Bird-like fossil footprints from the Late Triassic", Nature, 501: 262, doi:10.1038/nature12497
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