The BGS Lexicon of Named Rock Units — Result Details

Yard Coal (Northumberland)

Computer Code: YARD Preferred Map Code: Yd
Status Code: Index Level
Age range: Duckmantian Substage (CB) — Duckmantian Substage (CB)
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 Middle Coal Measures Formation (PMCM)
Previous Name(s): Bottom Yard Coal (Northumberland) [Obsolete Name And Code: Use YARD] (BYCO)
Albert Coal (Rothbury Area) [Obsolete Name And Code: Use YARD] (ALBT)
Alternative Name(s): Main Coal
Stratotypes:
none recorded or not applicable
Reference(s):
Jones, J H. 1945. The Northumberland and Durham coal seams. Bulletin of the Institute of Fuel, 89-102. 
Smith, D B, 1994. Geology of the country around Sunderland. Memoir of the British Geological Survey, Sheet 21, (England and Wales). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E010 E014 E015 E009