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 |