Ariyalur Group
| Ariyalaur Group | |
|---|---|
| Stratigraphic range: Late Cretaceous to Palaeogene (Paleocene) (Campanian to Danian) ~ | |
| Type | Geological group | 
| Sub-units | Sillakkudi formation, Kallakurichi Formation, Ottakovil formation, Kallamedu Formation | 
| Underlies | Niniyur Formation | 
| Overlies | Anaipadi Formation, Trichinopoly Group | 
| Location | |
| Country | India | 
The Ariyalaur Group is a geological group in Tamil Nadu in Southern India.