LocNo: 7182Namurian base, E 1a
| Country: |
Great Britain
|
| Province: |
England,Northumberland
|
| Locality: |
Greenleighton
|
| Layer: | Namurian base, E 1a |
| Lower Boundary: |
Visean--Namurian/Serpukhovian [VIS--NAM], 326.4 million years
|
| Upper Boundary: |
GBY E1a -- E1b; DER S.horni--T.angustus, 326.2 million years
|
| Georeference: |