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Tyrone Carboniferous Sandstone

Lower Carboniferous Sandstone (Tyrone Group and Omagh Sandstone Group) from Tyrone was used locally throughout the county as building material. Examples of these sandstones include:

Carland Sandstone Formation exposed in Carland Quarry 4 km NNW of Dungannon and used around Donaghmore.

Ballyness Valley Formation (e.g. Carricklongfield Quarry, Carricklongfield)