LocNo: 7277Upper Cefn Coed = Cwmgorse
| Country: |
Great Britain
|
| Province: |
Wales,South
|
| Locality: |
Cefn Coed Colliery
|
| Layer: | Upper Cefn Coed = Cwmgorse |
| Lower Boundary: |
Duckmantian--Bolsovian, Westphal.B--C, 310.6 million years
|
| Upper Boundary: |
Bolsovian--Westphalian D,Westphal.C--D, 309.5 million years
|
| Georeference: |