Sillakkudi Formation
| Sillakkudi formation | |
|---|---|
| Stratigraphic range: Early Campanian ~ | |
| Type | Geological formation |
| Unit of | Ariyalur Group |
| Underlies | Kallakurichi Formation |
| Overlies | Anaipadi Formation |
| Lithology | |
| Primary | Sandstone |
| Location | |
| Location | Sillakkudi |
| Region | Tamil Nadu |
| Country | India |
| Type section | |
| Coordinates | 11°05′50″N 79°02′15″E / 11.09722°N 79.03750°E |
The Sillakkudi Formation is a Late Cretaceous (Campanian) geological formation located in Tamil Nadu, India it forms part of the Ariyalur Group. It dates to the Campanian of the Late Cretaceous.