. . "330.3"^^ . "318.0"^^ . . "ANCK"@en . "Ashton Mudstone Member And Crackington Formation (Undifferentiated)"@en . "Ashton Mudstone Member And Crackington Formation (Undifferentiated)"@en . "stable"@en . . . "Bedrock. Occurs onshore. Formed during the Namurian Stage - to - Langsettian Substage (Carboniferous Period) (330.3-318 Ma BP)."@en .