The BGS Lexicon of Named Rock Units — Result Details
Wilmcote Member
Computer Code: | WCT | Preferred Map Code: | Wct |
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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): | Ammonites Planorbis Beds [Obsolete Name and Code: Use WCT]
(-2523)
Saurian Beds [Obsolete Name and Code: Use WCT] (-2524) 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) |
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Alternative Name(s): | none recorded or not applicable | ||
Stratotypes: | |||
Type Section | Disused quarry near Gipsy Hall Farm, Wilmcote, Warwickshire. | ||
Reference Section | BGS Twyning Borehole, from 114.80 - 118.63m depth. | ||
Reference Section | Disused quarry at Temple Grafton. | ||
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 |