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

  1. ↑ 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
  2. ↑ Melchor, Ricardo M.; de Valais, Silvina; Genise, Jorge F. (2013), "Retraction: Bird-like fossil footprints from the Late Triassic", Nature, 501: 262, PMID 23925120, doi:10.1038/nature12497
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