. "Kempton Park Gravel Member"@en . "[Obsolete] Gravel and sand, locally with silt and clay interbeds; sheet-like form, restricted to the floodplain environment. [Generic description: 1:50 k map margins]."@en . "2.58"^^ . . . "FPGR"@en . "Obsolete name. Gravel and sand. Superficial deposits. Occurs onshore. Formed during the Quaternary Period (2.58-0 Ma BP)."@en . . . "0.0"^^ . "Flood plain gravel [Obsolete]"@en . "Flood plain gravel [Obsolete]"@en . . "archaic"@en . . .