"2.58"^^ . . . "0.0"^^ . . "stable"@en . "Beach Rock"@en . . "Sandstone and trace conglomerate. Superficial deposits. Occurs onshore. Formed during the Quaternary Period (2.58-0 Ma BP)."@en . . . . "Beach Rock"@en . "BCHR"@en . "Sandstone and trace conglomerate."@en .