Cerro Fortaleza Formation

Cerro Fortaleza Formation
Stratigraphic range: Campanian to Maastrichtian
~76–70 Ma
TypeGeological formation
UnderliesLa Irene Formation
OverliesAnita Formation
Thickness460 m (1,510 ft)
Lithology
PrimarySandstone
Location
Coordinates49°54′S 72°06′W / 49.9°S 72.1°W / -49.9; -72.1
Approximate paleocoordinates51°54′S 61°48′W / 51.9°S 61.8°W / -51.9; -61.8
RegionSanta Cruz Province, southern Patagonia
CountryArgentina
ExtentAustral Basin
Cerro Fortaleza Formation is located in Argentina
Cerro Fortaleza Formation
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.

  1. ^ 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.
  2. ^ Lacovara, Kenneth J.; Ibiricu, L.M.; Lamanna, M.C.; Poole, J.C.; Schroeter, E.R.; Ullmann, P.V.; Voegele, K.K.; Boles, Z.M.; Egerton, V.M.; Harris, J.D.; Martínez, R.D.; Novas, F.E. (September 4, 2014). "A gigantic, exceptionally complete titanosaurian sauropod dinosaur from Southern Patagonia, Argentina". Scientific Reports. 4: 6196. Bibcode:2014NatSR...4E6196L. doi:10.1038/srep06196. PMC 5385829. PMID 25186586.
  3. ^ Varela et al., 2012