Cerro Fortaleza Formation

Cerro Fortaleza Formation
Stratigraphic range: Cenomanian
Type Geological formation
Underlies La Irene Formation
Overlies Anita Formation
Thickness 460 metres (1,510 ft)
Lithology
Primary Sandstone
Location
Coordinates 49°54′S 72°06′W / 49.9°S 72.1°W / -49.9; -72.1Coordinates: 49°54′S 72°06′W / 49.9°S 72.1°W / -49.9; -72.1
Approximate paleocoordinates 51°54′S 61°48′W / 51.9°S 61.8°W / -51.9; -61.8
Region Southern Patagonia
Country  Argentina
Extent Austral Basin

The Cerro Fortaleza Formation, in older literature described as Pari Aike Formation, is a Late Cretaceous geologic formation of Cenomanian[1] (formerly believed to be Maastrichtian) age of the Austral Basin in southern Patagonia, Argentina.

Description

The sandstones of the formation were deposited in a fluvial environment. The formation has an estimated thickness of 460 metres (1,510 ft) and overlies the Anita Formation, while it is overlain by the La Irene Formation.[2] The giant titanosaur Puertasaurus, the megaraptoran Orkoraptor, Austrocheirus isasii, and the ornithopod Talenkauen have been recovered from the formation alongside turtles and crocodiles.[3]

See also

References

  1. ↑ Varela et al., 2012
  2. ↑ Marenssi et al., 2003, p.406
  3. ↑ Novas et al., 2008

Bibliography

This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.