Limestone and Blueschist Types and Facts

Types of Limestone and Blueschist

Some rocks according to their use or texture are classified into different types. Know more about Limestone Texture and Blueschist Texture. Types of Limestone are Chalk, Coquina, Fossiliferous Limestone, Lithographic Limestone, Oolitic Limestone, Travertine, Tufa whereas the types of Blueschist 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. Limestone and Blueschist were used 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. Limestone and Blueschist were used for creating petroglyphs.