Laguna Brava Formation
Laguna Brava Formation Stratigraphic range: Late Eocene (Tinguirirican) | |
---|---|
Type | Geological formation |
Overlies | |
Lithology | |
Primary | Sandstone, red beds, tuff |
Location | |
Coordinates | 28°30′S 68°48′W / 28.5°S 68.8°WCoordinates: 28°30′S 68°48′W / 28.5°S 68.8°W |
Approximate paleocoordinates | 30°36′S 60°36′W / 30.6°S 60.6°W |
Region | Mendoza Province, Argentine Northwest |
Country | ![]() |
Extent | Precordillera |
Type section | |
Named for | |
![]() ![]() 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 .[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.; 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, Bibcode:2013Tectp.583..105V, doi:10.1016/j.tecto.2012.10.026, hdl:11336/84532
- ^ Melchor, Ricardo M.; de Valais, Silvina; Genise, Jorge F. (2013), "Retraction: Bird-like fossil footprints from the Late Triassic", Nature, 501 (7466): 262, Bibcode:2013Natur.501..262M, doi:10.1038/nature12497, PMID 23925120
Categories:
- Geologic formations of Argentina
- Eocene Series of South America
- Paleogene Argentina
- Tinguirirican
- Priabonian Stage
- Sandstone formations
- Tuff formations
- Fluvial deposits
- Lacustrine deposits
- Ichnofossiliferous formations
- Fossiliferous stratigraphic units of South America
- Paleontology in Argentina
- Geology of Mendoza Province