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