As a result, foliation of phyllites is different from the foliation in slates that stems from clay mineral alignment, and different from foliation in schists for the reason that schists constantly incorporate seen mica grains. Like slates, phyllites exhibit fissility. • Prograde metamorphic events are usually of for much longer https://thebookmarkid.com/story13234195/not-known-facts-about-rocks-and-minerals