The BGS Lexicon of Named Rock Units — Result Details

Little Marine Band [Local Name: see CWMB]

Computer Code: LTMB Preferred Map Code: notEntered
Status Code: Index Level
Age range: Duckmantian Substage (CB) — Duckmantian Substage (CB)
Lithological Description: Local name for the Clowne Marine Band (CWMB) in the Durham and Northumberland coalfields, possibly still to some extent in current use. Shelly 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: Durham and Northumberland coalfields.
Parent Unit: Pennine Middle Coal Measures Formation (PMCM)
Previous Name(s): none recorded or not applicable
Alternative Name(s): Clowne Marine Band
Stratotypes:
none recorded or not applicable
Reference(s):
Smith, D B, 1994. Geology of the country around Sunderland. Memoir of the British Geological Survey, Sheet 21, (England and Wales). 
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. 
Land, D H. 1974. Geology of the Tynemouth District (Explanation of one-inch Geological Sheet 15, New Series). Memoir of the British Geological Survey Sheet 20 (England and Wales). 
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. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E015 E020 E021