Gehannam Formation
| Gehannam Formation | |
|---|---|
| Stratigraphic range: Eocene ~ | |
| Type | Sedimentary | 
| Lithology | |
| Primary | Sandstone, claystone, shale,limestone claystone | 
| Location | |
| Region | Faiyum Governorate | 
| Country | Egypt | 
The Gehannam Formation (or Gar Gehannam) is a formation in Egypt which dates to the Eocene. It is similar in age to the Birket Qarun Formation.