The BGS Lexicon of Named Rock Units — Result Details

Verneulites sigma Marine Band

Computer Code: R2C2 Preferred Map Code: R2c2
Status Code: Index Level
Age range: Marsdenian Substage (CZ) — Marsdenian Substage (CZ)
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: Marsden Formation (MARSD)
Previous Name(s): Gastrioceras Sigma Marine Band [Obsolete Name and Code: Use R2C2, VSMB] (-3631)
Verneulites Sigma Marine Band [Obsolete Code: Use R2C2] (VSMB)
Alternative Name(s): none recorded or not applicable
Stratotypes:
none recorded or not applicable
Reference(s):
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