Trachyte and Essexite  Types and Facts

Types of Trachyte and Essexite 

Some rocks according to their use or texture are classified into different types. Know more about Trachyte Texture and Essexite  Texture. The types of Trachyte and Essexite  are Not Available.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. Trachyte was used to create pictographs whereas Essexite  is not used to create 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. Trachyte was used to create petroglyphs whereas Essexite  was not used to create petroglyphs.