"CRG"@en . . . . "Criniod Grit [Obsolete: use CRG]"@en . . "Crinoid Grit Member"@en . "stable"@en . "Calcareous sandstone with subsidiary sandy limestone. Stratified bedrock. Occurs onshore. Deposited during the Bajocian Age (Jurassic Period) (170.9-168.2 Ma BP)."@en . . . . . "Crinoid Grit Member"@en . "Calcareous sandstone with subsidiary sandy limestone."@en . "168.2"^^ . "170.9"^^ . .