La Irene Formation
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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]
Quick Facts Type, Underlies ...
La Irene Formation | |
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Stratigraphic range: Maastrichtian ~70–66 Ma | |
Type | Geological formation |
Underlies | Chorrillo Formation |
Overlies | Cerro Fortaleza Formation |
Thickness | 230 m (750 ft) |
Lithology | |
Primary | Sandstone |
Other | Shale |
Location | |
Location | Patagonia |
Coordinates | 50.4°S 72.2°W / -50.4; -72.2 |
Approximate paleocoordinates | 52.3°S 62.0°W / -52.3; -62.0 |
Region | Santa Cruz Province |
Country | Argentina |
Extent | Austral Basin |
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