| La Irene Formation | |
|---|---|
| Stratigraphic range: Maastrichtian ~ | |
| Type | Geological formation |
| Underlies | Chorrillo Formation |
| Overlies | Cerro Fortaleza Formation |
| Thickness | 230 m (750 ft) |
| Lithology | |
| Primary | Sandstone |
| Other | Shale |
| Location | |
| Location | Patagonia |
| Coordinates | 50°24′S 72°12′W / 50.4°S 72.2°W |
| Approximate paleocoordinates | 52°18′S 62°00′W / 52.3°S 62.0°W |
| Region | Santa Cruz Province |
| Country | Argentina |
| Extent | Austral Basin |
  La Irene Formation (Argentina) | |
La Irene Formation is a Maastrichtian geologic formation in southern Patagonia, Argentina. The formation is 230 metres (750 ft) thick and underlies the Chorrillo Formation and rests on top of the Cerro Fortaleza Formation.[1]
- ^ Marenssi et al., 2003, p.406