. "stable"@en . . "23.04"^^ . . . . . . . "Ardnamurchan Centre 2"@en . "Ardnamurchan Centre 2"@en . . . . . "Centre 2 (Ardnamurchan Complex) [Obsolete: use ARD2]"@en . "Gabbroic-rock and trace bytownite gabbro, felsite, granophyric granite, hypersthene-bearing gabbro, quartz-gabbro and quartz-microgabbro. Igneous intrusive bedrock. Occurs onshore. Emplaced during the Paleogene Period (66-23.04 Ma BP)."@en . . . "66.0"^^ . . . "ARD2"@en . .