Why this matters
Saint Patrick's Chair is a coastal rock feature named after the patron saint of Ireland, likely formed from Silurian or Devonian sandstone or basalt, depending on the local geology of County Tyrone. It is notable for its cultural and historical association with Saint Patrick, though its exact geological age and formation process remain locally specific and not widely detailed in broader geological records.
What is recorded here
Saint Patrick's Chair is recorded as a named rock in County Tyrone. Its open map record supplies this location and any linked names or public references.