"113.2"^^ . "Eggardon Chert Beds"@en . "100.5"^^ . "Eggardon Grit [Obsolete: use ECG]"@en . . . "Bogne Hollow Chert Member"@en . . "Chert. Stratified bedrock. Occurs onshore. Deposited during the Albian Age (Cretaceous Period) (113.2-100.5 Ma BP)."@en . . . . . "Chert."@en . . "stable"@en . "ECHB"@en . . . . "Chert Beds [Obsolete: use BHC, PECH, COH, SHWK, WHCH]"@en . "Eggardon Chert Beds"@en .