"argillite"@en-us . . "114667017"^^ . . "0"^^ . "a sedimentary rock differing from shale in being bound by silica and from slate in having no slate cleavages"@en-us . "0"^^ . "113827747"@en-us . . "14667017-n"^^ . . . . . "a sedimentary rock differing from shale in being bound by silica and from slate in having no slate cleavages"@en-us . "110512444"@en-us . . . "argillite"^^ . .