The BGS Lexicon of Named Rock Units — Result Details
Wockley Member
| Computer Code: | WOY | Preferred Map Code: | Woy |
|---|---|---|---|
| Status Code: | Full | ||
| Age range: | Tithonian Age (JI) — Tithonian Age (JI) | ||
| Lithological Description: | Chalky micrites and dense porcellanous micrites, commonly very shelly. | ||
| Definition of Lower Boundary: | Upward change from glauconitic bioclastic sandstone (of the Tisbury Member) to micrites. | ||
| Definition of Upper Boundary: | Upward change from micrites to fine-grained oolites of the Chilmark Member. | ||
| Thickness: | 7-10m | ||
| Geographical Limits: | Newtown area of Tisbury [ST 930 290] to Chilmark [ST 975 310]. | ||
| Parent Unit: | Portland Stone Formation (POST) | ||
| Previous Name(s): | Wockley Micritic Member [Obsolete Name and Code: Use WOY]
(-3141)
Chalky Series [Obsolete Name and Code: Use WOY] (-1930) Wockley Member (WOY) |
||
| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| Partial Type Section | Wockley Quarry | ||
| Partial Type Section | Chilmark Ravine - the southernmost of the Lower Quarries. | ||
| Partial Type Section | Chicksgrove Quarry | ||
| Reference(s): | |||
| Blake, J F. 1880. On the Portland Rocks of England. Quarterly Journal of the Geological Society of London, Vol. 36, 189-236. | |||
| Woodward, H B. 1895. the Jurassic Rocks of Britain. The Middle and Upper Oolitic rocks of England (Yorkshire excepted). Vol.5. Memoir or the Geological Survey of the United Kingdom. | |||
| Reid C. 1903, Geology of the country around Salisbury. Memoir of the Geol. Survey of Great Britain. | |||
| Wimbledon, W A. 1980. Portlandian correlation chart. 85-93 in Cope, J C W (Editor), A correlation of the Jurassic rocks of the British Isles. Part Two: Middle and Upper Jurassic. Geological Society of London Special Report, No.15. | |||
| Hudleston W H, 1883 (for 1881). On the geology of the Vale of Wardour. Proceedings of the Geologists' Association. Vol.7, 161-185. | |||
| Wimbledon, W A. 1976. The Portland Beds (Upper Jurassic) of Wiltshire. Wiltshire Archaeological and Natural History Magazine, Natural History, Vol.71, 3-11. | |||
| Wimbledon, W A and Cope, J C W. 1978. The ammonite faunas of the English Portland Beds and the zones of the Portlandian Stage. Journal of the Geological Society of London, Vol.135, 183-190. | |||
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
| E297 | |||