"Cushat Limestone"@en . "Limestone. Stratified bedrock. Occurs onshore. Deposited during the Pendleian Substage (Carboniferous Period) (330.3-327 Ma BP)."@en . . "330.3"^^ . . . . "Little Limestone"@en . "Two beds each about 0.3 m thick separated by c. 0.7 m of dark shaly mudstone."@en . . "Cushat Limestone"@en . "327.0"^^ . "Upper bed is dark, crinoidal limestone overlying dark shaly grit in turn overlying crinoidal grit."@en . . "CUL"@en . . "stable"@en . . .