. "DOSM"@en . "stable"@en . . . . "344.5"^^ . "343.0"^^ . "Dromore Sandstone Member"@en . . "Sandstone with subsidiary calcareous sandstone and trace limestone. Stratified bedrock. Occurs onshore. Deposited during the Arundian Substage (Carboniferous Period) (344.5-343 Ma BP)."@en . "Abrupt change, probably disconformable, between sandstones and overlying part of Mullaghmore Sandstone Formation, predominantly grey calcareous mudstones and thin peritidal limestones."@en . "c.20 - 25m"@en . . "Sandstone, white-fawn, medium to coarse-grained, micaceous; calcareous horizons, weathering orange-brown, are friable and sparsely fossiliferous, bioturbated, cross-bedded, sporadic beds of crinoidal, sandy packstone."@en . "Conformable; abrupt change from interbedded blocky mudstones, micaceous and blocky siltstones and blue-grey silty sandstones, at top of Bundoran Shale Formation, to orange weathering, thick beds of medium-grained sandstone."@en . . . "Dromore Sandstone Member"@en .