The BGS Lexicon of Named Rock Units — Result Details

Cravenoceras leion Marine Band

Computer Code: E1A1 Preferred Map Code: E1a1
Status Code: Index Level
Age range: Pendleian Substage (CE) — Pendleian Substage (CE)
Lithological Description: Mudstone.
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: Bowland Shale Formation (BSG)
Previous Name(s): Cravenoceras Leion Marine Band [Obsolete Code: Use E1A1] (LEMB)
Alternative Name(s): none recorded or not applicable
Stratotypes:
none recorded or not applicable
Reference(s):
Dean, M T, Browne, M A E, Waters, C N and Powell, J H. 2011. A lithostratigraphical framework for the Carboniferous successions of northern Great Britain (onshore). British Geological Survey Research Report, RR/10/007. 165pp. 
Waters, C N, Waters, R A, Barclay, W J, and Davies, J R. 2009. Lithostratigraphical framework for Carboniferous successions of Southern Great Britain (Onshore). British Geological Survey Research Report, RR/09/01. 184pp. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E142