. . . "stable"@en . . "Basalt and trace feldspar-phyric basalt, feldspar-phyric hawaiite, hawaiite, mugearite and picrobasalt. Stratified bedrock. Occurs onshore. Deposited during the Paleocene Epoch (Palaeogene Period) (66-56 Ma BP)."@en . "CCHAN"@en . . . "Cruachan Formation"@en . "Cruachan Formation"@en . . "66.0"^^ . "56.0"^^ .