. . "Fells Limestone"@en . "346.7"^^ . "stable"@en . . "Grey or locally cream limestone with spirorbids and ostracods."@en . "FEL"@en . . . "c.0.6 to c.1.2m"@en . . "Fells Limestone"@en . "Limestone. Stratified bedrock. Occurs onshore. Deposited during the Visean Age (Carboniferous Period) (346.7-330.3 Ma BP)."@en . "330.3"^^ . . .