"Ballyrainey Sill"@en . "66.0"^^ . "Ballyrainey Sill"@en . "23.04"^^ . . "stable"@en . . . "BYSI"@en . . "Igneous intrusive bedrock. Occurs onshore. Emplaced during the Paleogene Period (66-23.04 Ma BP)."@en . . .