Phyllite and Peridotite Types and Facts
Types
Phyllite
Dunite, Wehrlite, Harzburgite, Lherzolite and Pyrolite
Features
Easily splits into thin plates, Is one of the oldest rock, Surfaces are often shiny
Constitutes upper part of the Earth's mantle, Generally rough to touch, Host rock for Diamond, Is one of the oldest rock
Archaeological Significance
Types of Phyllite and Peridotite
Some rocks according to their use or texture are classified into different types. Know more about Phyllite Texture and Peridotite Texture. Types of Phyllite are Phyllite whereas the types of Peridotite are Dunite, Wehrlite, Harzburgite, Lherzolite and Pyrolite.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. Phyllite and Peridotite 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. Phyllite and Peridotite were for creating petroglyphs.