Laguna Brava Formation | |
Type: | Geological formation |
Period: | Bartonian |
Age: | Late Eocene (Tinguirirican) |
Prilithology: | Sandstone, red beds, tuff |
Namedfor: | Laguna Brava |
Region: | Mendoza Province, Argentine Northwest |
Country: | Argentina |
Coordinates: | -28.5°N -68.8°W |
Paleocoordinates: | -30.6°N -60.6°W |
Overlies: | Quebrada Santo Domingo Formation |
Extent: | Precordillera |
Laguna Brava Formation (Spanish; Castilian: 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.
It was formerly thought that the formation was of Triassic age.