Dolhir Formation

The Dolhir Formation is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.

Gravicalymene arcuata Price, 1982,^[1] Rawtheyan Stage, Dolhir Formation, Cynwyd Forest, near Corwen, Wales

Dolhir Formation
Stratigraphic range: Ashgill Series
Type	Formation
Underlies	Mudstones of the Fron Frys Formation.
Overlies	Unconformable on various Caradoc Formations.
Thickness	490 metres. Lateral variations, 320 - 490 metres.
Location
Region	Wales
Country	United Kingdom
Extent	Not defined

See also

• Earth sciences portal
• Wales portal
• Paleontology portal

• List of fossiliferous stratigraphic units in Wales