Answer:
d. Schistosity
Step-by-step explanation:
Schistosity is a type of foliation that commonly involves schists and coarse-grained, crystalline metamorphic rocks such as mica. During schistosity of mica flakes, a schistose structure is formed, where the mineral grains are arranged in a parallel or planar manner. They take the form of splitting flakes or slabs that form along parallel planes.