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)
Type	Geological formation
Overlies	Quebrada Santo Domingo Formation
Lithology
Primary	Sandstone, red beds, tuff
Location
Coordinates	28.5°S 68.8°W / -28.5; -68.8
Approximate paleocoordinates	30.6°S 60.6°W / -30.6; -60.6
Region	Mendoza Province, Argentine Northwest
Country	Argentina
Extent	Precordillera
Type section
Named for	Laguna Brava
Laguna Brava Formation (Argentina)

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