The BGS Lexicon of Named Rock Units — Result Details
Wilmcote Member
| Computer Code: | WCT | Preferred Map Code: | Wct |
|---|---|---|---|
| Status Code: | Full | ||
| Age range: | Rhaetian Age (TR) — Hettangian Age (JH) | ||
| Lithological Description: | Alternating limestones and mudstones. | ||
| Definition of Lower Boundary: | Placed where limestone overlies sharp, irregular surface of pale grey-green silty mudstones of the Cotham Member (of Lilstock Formation). | ||
| Definition of Upper Boundary: | Placed at the top of the highest limestone and may be arbitrary; Saltford Shale Member lies above. | ||
| Thickness: | 6.4m at type locality; ranges from this up to 11.9m. | ||
| Geographical Limits: | Central and south Midlands of England. | ||
| Parent Unit: | Blue Lias Formation (BLI) | ||
| Previous Name(s): | Ostrea Beds [Obsolete Name and Code: Use WCT]
(-4392)
Planorbis Beds [Obsolete Name and Code: Use WCT] (-4393) Pre-Planorbis Beds [Obsolete Name and Code: Use WCT] (-4966) Insect Beds [Obsolete Name and Code: Use WCT] (-3122) Ammonites Planorbis Beds [Obsolete Name and Code: Use WCT] (-2523) Saurian Beds [Obsolete Name and Code: Use WCT] (-2524) |
||
| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| Reference Section | Disused quarry at Temple Grafton. | ||
| Type Section | Disused quarry near Gipsy Hall Farm, Wilmcote, Warwickshire. | ||
| Reference Section | BGS Twyning Borehole, from 114.80 - 118.63m depth. | ||
| Reference(s): | |||
| Old R A, Hamblin, R J O, Ambrose, K, and Warrington G. 1991. Geology of the country around Redditch. Memoir of the British Geological Survey, Sheet 183 (England and Wales). | |||
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
| E183 E199 E264 | |||