. . "1000.0"^^ . "stable"@en . . . "541.0"^^ . "Inishowen Head Grits"@en . . . "Inishowen Head Grits"@en . "Bedrock. Occurs onshore. Formed during the Neoproterozoic Era (Precambrian) (1000-541 Ma BP)."@en . "DCIS"@en . .