Monk's Bay Sandstone
| Monk's Bay Sandstone | |
|---|---|
| Stratigraphic range: | |
| Type | Geological formation | 
| Unit of | Lower Greensand Group | 
| Underlies | Gault Formation | 
| Overlies | Sandrock Formation | 
| Thickness | up to 21.9 metres (70 ft), 5 cm in Swanage | 
| Lithology | |
| Primary | Sands | 
| Location | |
| Region | England | 
| Country | United Kingdom | 
| Extent | Isle of Wight, Dorset | 
The Monk's Bay Sandstone, formerly known as the Carstone Formation of the Isle of Wight (or similar) is a geological formation in England, present on the Isle of Wight and marginally in Swanage. Its lithology consists of gritty, reddish-brown sands with pebbles and phosphatic nodules