The BGS Lexicon of Named Rock Units — Result Details

Black Bed Ironstone (West Yorkshire)

Computer Code: BLBI Preferred Map Code: notEntered
Status Code: Index Level
Age range: Langsettian Substage (CA) — Langsettian Substage (CA)
Lithological Description: The Black Bed Ironstone has been worked extensively around Bowling, Bierley and Low Moor. It consists of about 3m of mudstone with numerous bands of ironstone nodules, cumulatively about 0.6m. It commonly contains fish and plant remains.
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): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
none recorded or not applicable
Reference(s):
none recorded or not applicable
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable