Cerro Fortaleza Formation

"Pari Aike Formation" redirects here; not to be confused with Pali-Aike volcanic field.

Cerro Fortaleza Formation
Stratigraphic range: Campanian to Maastrichtian ~ B V H B Apt. Albian C T C S Cam. M
Type	Geological formation
Underlies	La Irene Formation
Overlies	Anita Formation
Thickness	460 m (1,510 ft)
Lithology
Primary	Sandstone
Location
Coordinates	49.9°S 72.1°W / -49.9; -72.1
Approximate paleocoordinates	51.9°S 61.8°W / -51.9; -61.8
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 (although it has formerly been reported to be Cenomanian to Santonian) of the Austral Basin in southern Patagonia, Argentina.