"Bedrock. Occurs onshore. Formed during the Kinderscoutian Substage (Carboniferous Period) (322-321.5 Ma BP)."@en . "Agill Shale"@en . . . . . "Agill Shale"@en . "322.0"^^ . "321.5"^^ . . "stable"@en . . "AGSH"@en . . .