| Site of Special Scientific Interest | |
.jpg) View towards Winterbourne Chalk Pit | |
| Location | Berkshire |
|---|---|
| Grid reference | SU 447 722 [1] |
| Interest | Geological |
| Area | 0.05 hectares (0.12 acres) [1] |
| Notification | 1983 [1] |
| Location map | Magic Map |
Winterbourne Chalk Pit is a 0.05-hectare (0.12-acre) geological Site of Special Scientific Interest west of Winterbourne in Berkshire. [1] [2] It is a Geological Conservation Review site. [3] It is located within the North Wessex Downs. [4]
The chalk sediments date to the late Cretaceous period, about 80 million years ago. [4] The pit is the only known area containing rocks of this age in the western part of the London Basin. [4] It is rich in macrofossils, particularly belemnites. [5] The site is private land with no public access.
References
- ^ a b c d "Designated Sites View: Winterbourne Chalk Pit". Sites of Special Scientific Interest. Natural England. Retrieved 14 January 2020.
- ^ "Map of Winterbourne Chalk Pit". Sites of Special Scientific Interest. Natural England. Retrieved 14 January 2020.
- ^ "Winterbourne Chalk Pit (Cenomanian, Turonian, Senonian, Maastrichtian)". Geological Conservation Review. Joint Nature Conservation Committee. Retrieved 4 October 2019.[ permanent dead link]
- ^ a b c "SITE NAME: WINTERBOURNE CHALK PIT" (PDF). Retrieved 4 March 2017.
- ^ "Winterbourne Chalk Pit" (PDF). British Upper Cretaceous Stratigraphy. Archived from the original (PDF) on 14 January 2020. Retrieved 14 January 2020.
51°26′49″N 1°21′29″W / 51.447°N 1.358°W
