The BGS Lexicon of Named Rock Units — Result Details

Anthracoceratites Marine Band

Computer Code: ANTMB Preferred Map Code: notEntered
Status Code: Index Level
Age range: Marsdenian Substage (CZ) — Marsdenian Substage (CZ)
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: Confirmed as present in several areas along the Namurian outcrop of southern Wales, between Druidston in the west and the Twrch Valley in the east (see Ramsbottom et al., 1978, Fig.4).
Parent Unit: Bishopston Mudstone Formation (BISHM)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
none recorded or not applicable
Reference(s):
Ramsbottom, W H C, Calver, M A, Eagar, R M C, Hodson, F, Holliday, D W, Stubblefield, C J and Wilson, R B. 1978. A correlation of the Silesian rocks in the British Isles. Geological Society of London, Special Report No.10. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable