"BGT"@en . . "Gravel with subsidiary sand and silt. Stratified superficial deposits. Occurs onshore. Formed during the Wolstonian Stage (Quaternary Period) (.362-.126 Ma BP)."@en . . . "Bushley Green Sand and Gravel Member"@en . "Bushley Green Terrace Deposits (River Severn) [Obsolete: use BGT]"@en . . "The present day terrace surface."@en . "Up to 9m"@en . "Fifth (Bushley Green Lower Part) Terrace of the Severn [Obsolete: use BGT]"@en . "0.362"^^ . "stable"@en . . "Fifth Terrace (River Severn) [Obsolete: use BGT]"@en . "Bushley Green Terrace Deposits [Obsolete: use BGT]"@en . . "0.126"^^ . . "Where river deposits overlie bedrock or glacial deposits."@en . "Gravel, mainly flints and Triassic-derived quartzites. Local basal fossiliferous silts and sands. Sand and gravel, with clay, silt and mammalian bones; Fifth Terrace of the Severn; part of the Severn Valley Formation - [Generic description: academic papers and BGS Memoirs]."@en . "Bushley Green Sand and Gravel Member"@en . "Bushley Green Terrace [Obsolete: use BGT]"@en . . . . . . .