"cleavage plane" in German cleavage plane Schieferungsfläche Spaltfläche Detailed translations for "cleavage plane" cleavage plane 1. geology cleavage plane(also: foliation plane) die Schieferungsfläche{feminine} 2. other cleavage plane(also: cleavage face, cleavage surface, cleat face) die Spaltfläche{feminine}