LocNo: 34474b base
| Country: |
Spain
|
| Province: |
León, Esla Region
|
| Locality: |
Peña Roscas
|
| Layer: | 4b base |
| Lower Boundary: |
ESC Alba Fm. Aguasalio 4a--4b, 328.2 million years
|
| Upper Boundary: |
ESC Alba Fm. Aguasalio 4b middle, 327.8 million years
|
| Georeference: |