Gaogou Formation
| Gaogou Formation | |
|---|---|
| Stratigraphic range: Cenomanian-Coniacian ~ | |
Zhang Fengchen at the Gaogou Formation | |
| Type | Geological formation |
| Sub-units | Upper Member, Lower Member |
| Underlies | Majiacun Formation |
| Overlies | Baiwan Formation |
| Lithology | |
| Primary | Conglomerate |
| Other | Mudstone |
| Location | |
| Coordinates | 33°24′N 112°54′E / 33.4°N 112.9°E |
| Approximate paleocoordinates | 32°42′N 104°42′E / 32.7°N 104.7°E |
| Region | Henan Province |
| Country | China |
| Extent | Xixia Basin |
The Gaogou Formation is a fossiliferous geological formation located in the Xixia Basin of China. The formation dates back to the Late Cretaceous (Cenomanian-Coniacian) and fossilized eggs of dinosaurs and turtles are commonly reported from the formation. Dinosaur taxa are also reported from the unit.