LocNo: 3847Lower Visean
| Country: |
Great Britain
|
| Province: |
England,Devonshire
|
| Locality: |
Codden Hill quarry near Barnstaple
|
| Layer: | Lower Visean |
| Lower Boundary: |
Tournaisian--Visean [TOU--VIS], 345.3 million years
|
| Upper Boundary: |
Up.Visean Goniatites BZ base [up.VIS], 333.5 million years
|
| Georeference: |