| Llyn y Gafr Formation | |
|---|---|
| Stratigraphic range: Ordovician | |
| Type | Formation |
| Location | |
| Country |  Wales |
The Llyn y Gafr Formation is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.
| Llyn y Gafr Formation | |
|---|---|
| Stratigraphic range: Ordovician | |
| Type | Formation |
| Location | |
| Country | Wales |
The Llyn y Gafr Formation is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.
The Llanfallteg Formation is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period. It predominantly consists of ash containing siltstones, as wells as ash fall deposits and tuffs. It likely dates to the Darriwilian based on graptolites. The local graptolite fauna includes Didymograptus artus and Glossograptus armatus. The local trilobite fauna includes agnostids, phacopids and asaphids.
The Trefawr Formation is a geologic formation in Wales. It preserves fossils dating back to the Silurian period.
The Treiorwerth Formation is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.
The Nant Ffrancon Fermation is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.
The Nant Hir Formation is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.
The Plas Uchaf Formation is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.
The Llanfawr Mudstones is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.
The Dolhir Formation is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.
The Gelli Formation is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.
The Carnedd Iago Formation is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.
The Afon Ffinnant Formation is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.
The Allt Ddu Formation is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.
The Rhiwlas Formation is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.
The Blaencediw Formation is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.
The Bod Deiniol Formation is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.
The Senni Beds is the former name of the Senni Formation in Wales. It preserves fossils dating back to the Devonian period.
The St. Maughan's Formation is a geologic formation in Wales. It preserves fossils dating back to the Devonian period.
The Llanelly Formation is a geologic formation in Wales. It preserves fossils dating back to the Carboniferous period.
The Foel Formation is a geologic formation in Wales. It preserves fossils dating back to the Carboniferous period.
The Gronant Formation is a geologic formation in Wales. It preserves fossils dating back to the Carboniferous period.
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