The BGS Lexicon of Named Rock Units — Result Details

Black Metals Marine Band [Local Name: see HTMB]

Computer Code: BMET Preferred Map Code: notEntered
Status Code: Index Level
Age range: Duckmantian Substage (CB) — Duckmantian Substage (CB)
Lithological Description: Local name for the Haughton Marine Band (HTMB) in Cumbria, possibly still to some extent in current use. Mudstone and 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: Cumbria.
Parent Unit: Pennine Middle Coal Measures Formation (PMCM)
Previous Name(s): none recorded or not applicable
Alternative Name(s): Haughton Marine Band
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. 
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:
S033 S032