"argillaceous shale" in German argillaceous shale Schieferton Tonschiefer Detailed translations for "argillaceous shale" argillaceous shale argillaceous shale(also: slate clay, shale clay, laminated clay, mud rock) der Schieferton{masculine} argillaceous shale(also: clay schist, clay slate, clayey shale, argillaceous schist) der Tonschiefer{masculine}