. "330.3"^^ . . . . "Dolerite and trace agglomerate, camptonite, lamprophyre, minette, monchiquite, olivine-basalt, quartz-microgabbro, trachyte and tuff. Igneous intrusive bedrock. Occurs onshore. Emplaced during the Late Mississippian Epoch (Carboniferous Period) - to - Permian Period (330.3-251.9 Ma BP)."@en . . . "Scottish Highlands Late Carboniferous To Permian Alkali Dyke Suite"@en . "Scottish Highlands Late Carboniferous To Permian Alkali Dyke Suite"@en . "stable"@en . . "251.9"^^ . "HCPAD"@en . .