The BGS Lexicon of Named Rock Units — Result Details

Top Busty Coal (Northumberland And Durham)

Computer Code: TBU Preferred Map Code: TBu
Status Code: Index Level
Age range: Langsettian Substage (CA) — Langsettian Substage (CA)
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: none recorded or not applicable
Parent Unit: Pennine Lower Coal Measures Formation (PLCM)
Previous Name(s): Widdrington Five-Quarter Coal (Rothbury Area) (-1220)
Alternative Name(s): none recorded or not applicable
Stratotypes:
none recorded or not applicable
Reference(s):
Scientific Department, Coal Survey. 1959. Durham Coalfield Seam Maps. Busty Seams. National Coal Board. 
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). 
Mills, D A C and Holliday, D W. 1998. Geology of the district around Newcastle upon Tyne, Gateshead and Consett. Memoir of the British Geological survey sheet 20 (England and Wales). 
Scientific Department, Coal Survey. 1957. Northumberland Coalfield Seam Maps. Top Busty Seam. National Coal Board. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E010 E014 E015 E020 E026 E027 E032 E009