| Computer Code: |
HLBL |
Preferred Map Code: |
notEntered |
| Status Code: |
Index Level |
| Age range: |
Holkerian Substage (CQ)
— Holkerian Substage (CQ) |
| Lithological Description: |
[Obsolete: use AFL]
Limestones and shaly mudstones with a few thin sandstones. |
| Definition of Lower Boundary: |
none recorded or not applicable
|
| Definition of Upper Boundary: |
none recorded or not applicable
|
| Thickness: |
c.90m at its greatest development but diminishing northwards to about 30m. |
| Geographical Limits: |
Local name for the limestone beds overlying the Ashfell Sandstone Formation in the Brough under Stainmore area. |
| Parent Unit: |
none recorded or not applicable
|
| 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 |
