"Gretna Till Formation"@en . "archaic"@en . "Thrussington Till Member"@en . "Obsolete name. Diamicton. Superficial deposits. Occurs onshore. Formed during the Pleistocene Epoch (Quaternary Period) (2.58-.0118 Ma BP)."@en . "BOC"@en . . "2.58"^^ . . "Boulder clay [Obsolete: use TILL]"@en . . "0.0118"^^ . . . "[Obsolete: use TILL] \r\n\r\nClay and silty clay, commonly pebbly and sandy, reddish brown, stiff, possibly interbedded with sand and gravel-rich lenses and rare peat. [Generic description]."@en . . "Finglack Till Formation"@en . . "Shrewsbury Glacigenic Formation"@en . "Till"@en . . . . "Langholm Till Formation"@en . . . . "Boulder clay [Obsolete: use TILL]"@en .