A cataclastic rock is a type of fault rock that has been wholly or partly formed by the progressive fracturing and comminution of existing rocks, a process known as cataclasis.

What is cataclasis in geology?

cataclasis. / (ˌkætəˈkleɪsɪs) / noun plural -ses (-siːz) geology the deformation of rocks by crushing and shearing.

What is meaning of cataclastic?

1 : of, relating to, or caused by cataclasis a pronounced cataclastic texture. 2 : having the granular fragmental texture induced in rocks by mechanical crushing cataclastic structures.