Gneiss and Mylonite Types and Facts

Types of Gneiss and Mylonite

Some rocks according to their use or texture are classified into different types. Know more about Gneiss Texture and Mylonite Texture. The types of Gneiss and Mylonite are .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. Gneiss and Mylonite 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. Gneiss and Mylonite were for creating petroglyphs.