"GREC"@en . "0.362"^^ . "Grendon Member And Ecton Member (Undifferentiated)"@en . . "Grendon Member And Ecton Member (Undifferentiated)"@en . . "stable"@en . . "0.0118"^^ . . . . "Superficial deposits. Occurs onshore. Formed during the Wolstonian Stage - to - Devensian Stage (Quaternary Period) (.362-.0118 Ma BP)."@en .