Laguna Brava Formation

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]

Laguna Brava Formation
Stratigraphic range: Late Eocene (Tinguirirican)
TypeGeological formation
OverliesQuebrada Santo Domingo Formation
Lithology
PrimarySandstone, red beds, tuff
Location
Coordinates28.5°S 68.8°W / -28.5; -68.8
Approximate paleocoordinates30.6°S 60.6°W / -30.6; -60.6
RegionMendoza Province, Argentine Northwest
CountryArgentina
ExtentPrecordillera
Type section
Named forLaguna Brava
Laguna Brava Formation is located in Argentina
Laguna Brava Formation
Laguna Brava Formation (Argentina)

It was formerly thought that the formation was of Triassic age.[3]

References

  1. Quebrada de Santa Domingo at Fossilworks.org
  2. 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
  3. 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
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