Sandrock Formation
The Sandrock Formation is a geological formation in England, part of the Lower Greensand Group, it is found on the Isle of Wight and in the northern part of Swanage Bay. It consists of a cyclic rhythm of sandstones, siltstones, and mudstones.[1]
| Sandrock Formation Stratigraphic range: Aptian–Albian | |
|---|---|
| Type | Geological formation |
| Unit of | Lower Greensand Group |
| Underlies | Monk's Bay Sandstone Formation |
| Overlies | Ferruginous Sands |
| Thickness | up to 70 metres (230 ft) |
| Lithology | |
| Primary | Sandstone, siltstone, mudstone |
| Location | |
| Region | Europe |
| Country |  |
| Extent | Isle of Wight, Dorset |
 Exposure of the Sandrock Formation on the southern half of the Isle of Wight | |
References
- "Sandrock Formation". The BGS Lexicon of Named Rock Units. British Geological Survey. Retrieved 21 July 2018.
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