The BGS Lexicon of Named Rock Units — Result Details

Porcellaneous Limestone (Carboniferous, North West)

Computer Code: POL Preferred Map Code: notEntered
Status Code: Index Level
Age range: Holkerian Substage (CQ) — Holkerian Substage (CQ)
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: Found across much of the southern Askrigg Block between Kingsdale in the west and Malham in the east, though may be absent locally. Also found in Westmorland. In both areas the bed marks the approximate local top of the Holkerian Stage.
Parent Unit: Great Scar Limestone Group (GSCL)
Previous Name(s): none recorded or not applicable
Alternative Name(s): Porcellanous Bed
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