| Corsham Limestone Formation | |
|---|---|
| Stratigraphic range: | |
| Type | Geological formation |
| Unit of | Great Oolite Group |
| Underlies | Forest Marble Formation |
| Overlies | Chalfield Oolite Formation, Athelstan Oolite Formation |
| Area | Cotswolds |
| Thickness | up to 9 metres (30 ft) |
| Lithology | |
| Primary | Limestone |
| Location | |
| Region | Europe |
| Country |  England |
| Extent | Gloucestershire, Somerset |
| Type section | |
| Named for | Corsham |
| Location | Corsham railway cutting |
| Thickness at type section | 6.2-6.7 m |
The Corsham Limestone Formation is a geological formation in England. It is part of the Great Oolite Group and was deposited in the Bathonian stage of the Middle Jurassic. It is found in the central to southern regions of the Cotswolds.[1]
- ^ "Corsham Limestone Formation". BGS Lexicon of Named Rock Units. British Geological Survey. Retrieved 31 July 2018.