The BGS Lexicon of Named Rock Units — Result Details

Tonge's Marine Band [Local Name: see AMMB]

Computer Code: TONMB Preferred Map Code: notEntered
Status Code: Index Level
Age range: Langsettian Substage (CA) — Langsettian Substage (CA)
Lithological Description: Local name for Amaliae Marine Band (AMMB) in part(s) of the Lancashire Coalfield, possibly still in use to some extent. 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: Lancashire Coalfield, including the Manchester Sheet area.
Parent Unit: Pennine Lower Coal Measures Formation (PLCM)
Previous Name(s): none recorded or not applicable
Alternative Name(s): Amaliae Marine Band
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