The BGS Lexicon of Named Rock Units — Result Details

Wilkesley Halite Member

Computer Code: WHT Preferred Map Code: WHt
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 404m
Geographical Limits: Cheshire.
Parent Unit: Sidmouth Mudstone Formation (SIM)
Previous Name(s): Keuper Saliferous Beds [Obsolete Name And Code: See DHT, NWHF, WHT] (KSB)
Wilkesley Halite Formation (-2534)
Keuper Saliferous Beds, Upper (-4975)
Upper Keuper Saliferous Beds [Obsolete Name And Code: Use WHT] (UKSB)
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