Neuquén Group
The Neuquén Group is a group of geologic formations found in Argentina. Rocks in the Neuquén Group fall within the Cenomanian to early Campanian stages of the Late Cretaceous Period. It overlies the older Lohan Cura Formation and is itself overlain by the younger Allen Formation of the Malargüe Group, separated from both by unconformities, dated to 98 and 79 Ma respectively.
| Neuquén Group | |
|---|---|
| Stratigraphic range: Early Cenomanian-Early Campanian ~ | |
Almost the whole extent of the Neuquén Group is exposed between Lake Los Barreales and the bend of the Neuquén River in the center of this photo.To the lower left of the lake, a swath of light yellowish sandstones of the group's Huincul Formation are visible. | |
| Type | Group |
| Sub-units | Río Colorado Subgroup Anacleto Formation Bajo de la Carpa Formation Río Neuquén Subgroup Lisandro Formation Huincul Formation Candeleros Formation |
| Underlies | Malargüe Group Allen Formation |
| Overlies | Lohan Cura Formation |
| Thickness | 500 m (1,600 ft) |
| Location | |
| Coordinates | 38.5°S 68.7°W |
| Approximate paleocoordinates | 44.4°S 47.2°W |
| Region | Río Negro, Neuquén & Mendoza Provinces |
| Country | Argentina |
| Extent | Neuquén Basin |
| Type section | |
| Named for | Neuquén |
Neuquén Group (Argentina) | |
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