Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Borrowdale Volcanic Series  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Ordovician | |
| ....Borrowdale Volcanic Series | |
| RT | England |
| Llandeilian | |
| Llanvirnian | |
| SN | Llanvirnian and ? Llandeilian. Underlain by Skiddaw Slates and overlain by the Coniston Limestone Group. Lake District in NW England. |