| Computer Code: |
CAPC |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| Age range: |
Floian Age (OFL)
— Darriwilian Age (ODW) |
| Lithological Description: |
Dark grey mudstone, siltstone and sandstone, locally disturbed. Locally massive conglomerate. |
| Definition of Lower Boundary: |
Conformable on the Porth y Nant Formation (POYN) or the Pen y Foel Formation (PFOEL). |
| Definition of Upper Boundary: |
Conformably overlain by the Mynydd Eilian Formation (MYEI); lateral facies change with the Porthygwichiad Formation (PYGW); Portobello Formation (PBELO) and Treiorworth Formation (TWF). |
| Thickness: |
none recorded or not applicable
|
| Geographical Limits: |
none recorded or not applicable
|
| Parent Unit: |
Llyn Alaw Group (ALAW)
|
| 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 |
