| Computer Code: |
NHBB |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| Age range: |
Floian Age (OFL)
— Darriwilian Age (ODW) |
| Lithological Description: |
Chlorite-muscovite schist and phyllite, semipelite and psammite and volcaniclastic psammite. |
| Definition of Lower Boundary: |
Unconformable upon Coeden Formation (NSC). |
| Definition of Upper Boundary: |
Stratigraphic nature unknown - overthrust by Hen Felin Thrust. |
| Thickness: |
none recorded or not applicable
|
| Geographical Limits: |
Anglesey. |
| Parent Unit: |
Llanfechell Group (LFEC)
|
| Previous Name(s): |
Bodelwyn Beds [Obsolete Name and Code: Use NHBB]
(-4811)
|
| 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 |
