Baños del Flaco Formation

The Baños del Flaco Formation is a Late Jurassic to Early Cretaceous (Tithonian to Berriasian geologic formation in central Chile. The formation comprises limestones and sandstones deposited in a shallow marine to fluvial environment.^[1][2] Fossil ornithopod tracks have been reported from the formation.^[3]

Baños del Flaco Formation
Stratigraphic range: Tithonian-Berriasian ~150–141 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Type	Geological formation
Unit of	Mendoza Group
Lithology
Primary	Sandstone
Other	Limestone
Location
Coordinates	34.8°S 70.5°W / -34.8; -70.5
Approximate paleocoordinates	33.0°S 33.4°W / -33.0; -33.4
Region	O'Higgins Region
Country	Chile
Type section
Named for	Baños del Flaco [es]
Baños del Flaco Formation (Chile)

Fossil content

Among others, the following fossils have been found in the formation:^[4]

Ichnofossils

• Camptosaurichnus fasolae^[1]
• Iguanodonichnus frenkii^[1]
• Ornithopoda indet.
• Theropoda indet.

• Ammonites, echinoderms and bivalves

See also

• List of dinosaur-bearing rock formations
  • List of stratigraphic units with ornithischian tracks
    • Ornithopod tracks
• Arcabuco Formation, contemporaneous ichnofossil-bearing formation in Colombia
• Chacarilla Formation, contemporaneous ichnofossil-bearing formation in northern Chile
• Coihaique Group, contemporaneous fossiliferous formation in the Aysén Basin