Huincul Formation
The Huincul Formation is a geologic formation of Late Cretaceous (Early Cenomanian to Late Turonian) age of the Neuquén Basin that outcrops in the Mendoza, Río Negro and Neuquén Provinces of northern Patagonia, Argentina. It is the second formation in the Río Limay Subgroup, the oldest subgroup within the Neuquén Group. Formerly that subgroup was treated as a formation, and the Huincul Formation was known as the Huincul Member.
| Huincul Formation | |
|---|---|
| Stratigraphic range: Late Cenomanian-Early Turonian ~ | |
| Type | Geological formation |
| Unit of | Neuquén Group Río Limay Subgroup |
| Underlies | Lisandro Formation |
| Overlies | Candeleros Formation |
| Thickness | 250 m (820 ft) |
| Lithology | |
| Primary | Sandstone |
| Other | Claystone |
| Location | |
| Coordinates | 39.4°S 69.0°W |
| Approximate paleocoordinates | 46.1°S 46.0°W |
| Region | Mendoza, Río Negro & Neuquén Provinces |
| Country | Argentina |
| Extent | Neuquén Basin |
| Type section | |
| Named for | Plaza Huincul |
| Named by | Keidel |
| Year defined | 1929 |
Huincul Formation (Argentina) | |
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