trondhjemite punika leucocratic (cahya colored) intrusive igneous rock. iku macem-macem tonalite kang plagioclase iku biasane ing wangun oligoclase. trondhjemites sing sok-sok ditepungi minangka plagiogranites.
phyllite punika rock metamorphic nggoleki-grained karo struktur laminar uga dikembangaké, lan ing antarané slate lan Schist rocks
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque