"Ardnamurchan Point Gabbro Ring Intrusion"@en . . "23.04"^^ . "APGB"@en . . "Gabbro. Igneous intrusive bedrock. Occurs onshore. Emplaced during the Paleogene Period (66-23.04 Ma BP)."@en . . . "Ardnamurchan Point Gabbro Ring Intrusion"@en . . "Gabbro."@en . . "stable"@en . "66.0"^^ . .