Pyrolite and Flint Types and Facts
Types
Dunite, Wehrlite, Harzburgite, Lherzolite
Chert and Jasper
Features
Constitutes upper part of the Earth's mantle, Generally rough to touch, Is one of the oldest rock
Clasts are smooth to touch, Easily splits into thin plates, Has High structural resistance against erosion and climate
Archaeological Significance
Types of Pyrolite and Flint
Some rocks according to their use or texture are classified into different types. Know more about Pyrolite Texture and Flint Texture. Types of Pyrolite are Dunite, Wehrlite, Harzburgite, Lherzolite whereas the types of Flint are Chert and Jasper.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. Pyrolite and Flint 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. Pyrolite and Flint were for creating petroglyphs.