"344.5"^^ . . "stable"@en . . "337.0"^^ . "Limestone."@en . "High Tor Limestone Formation, Cefnyrehndy Oolite Member And Hunts Bay Oolite Subgroup (Undifferentiated)"@en . . "HTCHB"@en . "High Tor Limestone Formation, Cefnyrehndy Oolite Member And Hunts Bay Oolite Subgroup (Undifferentiated)"@en . . . "Limestone. Bedrock. Occurs onshore. Formed during the Arundian Substage - to - Holkerian Substage (Carboniferous Period) (344.5-337 Ma BP)."@en . .