The BGS Lexicon of Named Rock Units — Result Details
Wilkesley Halite Member
Computer Code: | WHT | Preferred Map Code: | WHt |
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Status Code: | Full | ||
Age range: | Carnian Age (TC) — Carnian Age (TC) | ||
Lithological Description: | Halite of varied purity with mudstone partings. | ||
Definition of Lower Boundary: | Conformable; base of lowest substantial salt (Evans and others, 1968, include several thin salts in the underlying Wych Mudstones). | ||
Definition of Upper Boundary: | Conformable: at top of highest substantial halite in Wilkesley and Prees boreholes. | ||
Thickness: | To 404 m. | ||
Geographical Limits: | Cheshire. | ||
Parent Unit: | Sidmouth Mudstone Formation (SIM) | ||
Previous Name(s): | Keuper Saliferous Beds, Upper [Obsolete Name and Code: Use WHT]
(-4975)
Upper Keuper Saliferous Beds [Obsolete Name And Code: Use WHT] (UKSB) Keuper Saliferous Beds [Obsolete Name And Code: See DHT, NWHF, WHT] (KSB) Wilkesley Halite Formation [Obsolete Name and Code: Use WHT] (-2534) |
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Alternative Name(s): | none recorded or not applicable | ||
Stratotypes: | |||
Type Section | Wilkesley Borehole (BGS SJ64SW/7) from 1141' 2" - 2468' 4" depth. | ||
Reference(s): | |||
Warrington, G, Audley-Charles, M G, Elliott, R E, Evans, W B, Ivimey-Cook, H C, Kent, P E, Robinson, P L, Shotton, F W and Taylor, F M. 1980. A correlation of the Triassic rocks in the British Isles. Special Report of the Geological Society of London, No.13. | |||
Howard, A S, Warrington, G, Ambrose, K, and Rees, J G. 2008. A formational framework for the Mercia Mudstone Group (Triassic) of England and Wales. British Geological Survey Research Report, RR/08/04. | |||
1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
E123 E109 |