| Computer Code: |
ALAW |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| Age range: |
Floian Age (OFL)
— Darriwilian Age (ODW) |
| Lithological Description: |
Where not subdivided into formations: dark to pale grey mudstone, siltstone and sandstone, locally disturbed; locally units of thin to thick bedded sandstone and conglomerate. |
| Definition of Lower Boundary: |
Unconformable overlying Ordovician to Neoproterozoic rocks. |
| Definition of Upper Boundary: |
Unconformable overlain by Deonian rocks (e.g. Brynrefail Group BRYF). |
| Thickness: |
none recorded or not applicable
|
| Geographical Limits: |
Anglesey. |
| Parent Unit: |
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 |
