. . "Glacial Gravel"@en . "2.58"^^ . "0.0"^^ . . . "stable"@en . "Glacial Gravel"@en . "GLGR"@en . . . "Sand and gravel, locally with interbeds of silt and clay; of glacial origin. [Generic description]."@en . "Gravel and sand. Superficial deposits. Occurs onshore. Formed during the Quaternary Period (2.58-0 Ma BP)."@en .