Irdin Manha Formation
| Irdin Manha Formation | |
|---|---|
| Stratigraphic range: Eocene | |
| Type | Geological formation | 
| Location | |
| Coordinates | 43°42′N 112°00′E / 43.7°N 112.0°E | 
| Region | Inner Mongolia | 
| Country | China | 
| Approximate paleocoordinates | 45°12′N 105°42′E / 45.2°N 105.7°E | 
The Irdin Manha Formation is a geological formation from the Eocene located in Inner Mongolia, China, a few kilometres south of the Mongolian border.