"tonschiefer" in English Tonschiefer {m} clay schist clay slate clayey shale argillaceous schist argillaceous shale argillaceous slate grapholith Detailed translations for "tonschiefer" der Tonschiefer{masculine} Tonschiefer clay schist Tonschiefer clay slate Tonschiefer clayey shale Tonschiefer argillaceous schist Tonschiefer(also: Schieferton) argillaceous shale Tonschiefer(also: Argilit) argillaceous slate Tonschiefer grapholith