The BGS Lexicon of Named Rock Units — Result Details

Chapelhall Lower Fireclay

Computer Code: CFCL Preferred Map Code: notEntered
Status Code: Pending Upgrade
Age range: Langsettian Substage (CA) — Langsettian Substage (CA)
Lithological Description: Coal - 1"; Fireclay - 6' 3"; Fireclay fakey - 6"; Fireclay dark, - 4". Total 7' 2".
Definition of Lower Boundary: Conformable.
Definition of Upper Boundary: Conformable.
Thickness: 7'1" Lateral variations 2.1 metres.
Geographical Limits: Not defined.
Parent Unit: Not Entered (?)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  Borehole NS76SE/62. Depth of seam 114' (34.7 metres). 
Reference(s):
Merritt, J W. 1985. Central Scotland Mineral Portfolio: Fireclay resources. British Geological Survey Open File Report. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S031