Pyrolite and Oolite Types and Facts
Types
Dunite, Wehrlite, Harzburgite, Lherzolite
Pisolitic Oolite and Oncolitic Oolite
Features
Constitutes upper part of the Earth's mantle, Generally rough to touch, Is one of the oldest rock
Available in lots of colors, Generally rough to touch, Very fine grained rock
Archaeological Significance
Types of Pyrolite and Oolite
Some rocks according to their use or texture are classified into different types. Know more about Pyrolite Texture and Oolite Texture. Types of Pyrolite are Dunite, Wehrlite, Harzburgite, Lherzolite whereas the types of Oolite are Pisolitic Oolite and Oncolitic Oolite.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 Oolite 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 Oolite were for creating petroglyphs.