Baños del Flaco Formation explained

Baños del Flaco Formation
Type:	Geological formation
Period:	Berriasian
Age:	Tithonian-Berriasian ~
Prilithology:	Sandstone
Otherlithology:	Limestone
Region:	O'Higgins Region
Coordinates:	-34.8°N -70.5°W
Paleocoordinates:	-33°N -33.4°W
Unitof:	Mendoza Group

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]

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

References

Bibliography

Further reading

• C. Salazar and W. Stinnesbeck. 2016. Tithonian–Berriasian ammonites from the Baños del Flaco Formation, central Chile. Journal of Systematic Palaeontology 14:149-182
• A. P. Larrain and L. Biró-Bagóczky. 1985. New Pygurus (Echinodermata: Echinoidea) from the Tithonian of central Chile: first record from the Jurassic of the southern hemisphere. Journal of Paleontology 59(6):1409-1413

Notes and References

1. Leonardi, 1994, p.65
2. http://www.fossilworks.org/cgi-bin/bridge.pl?action=displayStrata&geological_group=&formation=Banos%20del%20Flaco&group_formation_member=Banos%20del%20Flaco Baños del Flaco Formation
3. Weishampel et al., 2004, pp.517-607
4. http://www.fossilworks.org/cgi-bin/bridge.pl?a=collectionSearch&collection_no=57141 Termas del Flaco