The BGS Lexicon of Named Rock Units — Result Details

Singleton Mudstone Member

Computer Code: SNM Preferred Map Code: notEntered
Status Code: Pending Upgrade
Age range: Early Triassic Epoch (TE) — Anisian Age (TA)
Lithological Description: none recorded or not applicable
Definition of Lower Boundary: none recorded or not applicable
Definition of Upper Boundary: none recorded or not applicable
Thickness: none recorded or not applicable
Geographical Limits: none recorded or not applicable
Parent Unit: Sidmouth Mudstone Formation (SIM)
Previous Name(s): Singleton Mudstone Formation (-1834)
Alternative Name(s): none recorded or not applicable
Stratotypes:
none recorded or not applicable
Reference(s):
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. 
Wilson, A A and Evans, W B. 1990 Geology of the country around Blackpool. Memoir of the British Geological Survey, Sheet 66. (England and Wales). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E074 E075 E066 E067 E058 E048