Cataclasite and Slate Types and Facts
Types
Protocataclasite, Mesocataclasite, Ultracataclasite and Foliated cataclasite
Phyllite, Schist, and Slate
Features
Easily splits into thin plates, Is one of the oldest rock
Easily splits into thin plates, Surfaces are often shiny, Very fine grained rock
Archaeological Significance
Types of Cataclasite and Slate
Some rocks according to their use or texture are classified into different types. Know more about Cataclasite Texture and Slate Texture. Types of Cataclasite are Protocataclasite, Mesocataclasite, Ultracataclasite and Foliated cataclasite whereas the types of Slate are Phyllite, Schist, and Slate.During historic times, some rocks depending on their hardness were used to create Pictographs and Petroglyphs. Rocks which are hard were generally not used. Pictographs are paintings or drawings that have been placed or created on the surface of rock. Cataclasite and Slate were for creating pictographs. Petroglyph is an image which is carved into a rock. These are images created by removing part of a rock surface by incising, picking, carving or abrading, as a form of rock art. Cataclasite and Slate were for creating petroglyphs.