Cataclasite is a type of cataclastic rock that's formed by fracturing and comminution during faulting .. It is normally cohesive and non-foliated, consisting of angular clasts in a finer-grained matrix. Types of cataclasite There are many varieties of cataclasite, classified by the percentage of the volume formed from the matrix. Protocataclasite Protocataclasite is a type of cataclasite in which the matrix takes up less than 50% of the total volume. Mesocataclasite Mesocataclasite is a t… (More on Cataclasite)