| Cerro Fortaleza Formation | |
|---|---|
| Stratigraphic range: Campanian to Maastrichtian ~ | |
| Type | Geological formation |
| Underlies | La Irene Formation |
| Overlies | Anita Formation |
| Thickness | 460 m (1,510 ft) |
| Lithology | |
| Primary | Sandstone |
| Location | |
| Coordinates | 49°54′S 72°06′W / 49.9°S 72.1°W |
| Approximate paleocoordinates | 51°54′S 61°48′W / 51.9°S 61.8°W |
| Region | Santa Cruz Province, southern Patagonia |
| Country | Argentina |
| Extent | Austral Basin |
  Cerro Fortaleza Formation (Argentina) | |
The Cerro Fortaleza Formation, in older literature described as Pari Aike Formation, is a Late Cretaceous geologic formation of Campanian to Maastrichtian age[1][2] (although it has formerly been reported to be Cenomanian to Santonian)[3] of the Austral Basin in southern Patagonia, Argentina.
- ^ Sickmann, Zachary T.; Schwartz, Theresa M.; Graham, Stephan A. (2018). "Refining stratigraphy and tectonic history using detrital zircon maximum depositional age: An example from the Cerro Fortaleza Formation, Austral Basin, southern Patagonia". Basin Research. 30 (4): 708–729. Bibcode:2018BasR...30..708S. doi:10.1111/bre.12272.
- ^ Lacovara, Kenneth J.; Lamanna, Matthew C.; Ibiricu, Lucio M.; Poole, Jason C.; Schroeter, Elena R.; Ullmann, Paul V.; Voegele, Kristyn K.; Boles, Zachary M.; Carter, Aja M.; Fowler, Emma K.; Egerton, Victoria M.; Moyer, Alison E.; Coughenour, Christopher L.; Schein, Jason P.; Harris, Jerald D.; Martínez, Rubén D.; Novas, Fernando E. (4 September 2014). "A Gigantic, Exceptionally Complete Titanosaurian Sauropod Dinosaur from Southern Patagonia, Argentina". Scientific Reports. 4 (1): 6196. Bibcode:2014NatSR...4.6196L. doi:10.1038/srep06196. PMC 5385829. PMID 25186586.
- ^ Varela et al. 2012.