Cataclasite's a metamorphic rock that's formed by mechanical shear stress during faulting . It's either incohesive or cohesive with poor schistosity. It's usually non-foliated and consists of angular clasts in a finer-grained matrix. Types of cataclasite There're many varieties of cataclasite, classified by the percentage of the volume formed from the matrix. Protocataclasite Protocataclasite's a type of cataclasite in which the matrix takes up less than 50% of the total volume. Mesocatacl… (More on Cataclasite)