. "Holywell Marls (Six)"@en . "HOMA6"@en . "Holywell Marls (Six)"@en . "stable"@en . "93.9"^^ . . . . . . "Stratified bedrock. Occurs onshore. Deposited during the Turonian Age (Cretaceous Period) (93.9-89.4 Ma BP)."@en . . . "89.4"^^ .