Metamorphic rocks are sedimentary or igneous rocks that were remodeled by tension, warmth, or even the intrusion of fluids. Several mantle xenoliths, carried up as nodules in magma, are eclogites. Eclogites also are found as layers or bands related to some peridotites. Really usually, eclogites endure retrograde metamorphism and so https://www.generationgenius.com/videolessons/rocks-and-minerals-video-for-kids/