Peridotite and Amphibolite Types and Facts

Peridotite

Amphibolite

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Types

Dunite, Wehrlite, Harzburgite, Lherzolite and Pyrolite

Hornblendite

Features

Constitutes upper part of the Earth's mantle, Generally rough to touch, Host rock for Diamond, Is one of the oldest rock

Clasts are smooth to touch, Matrix variable, Surfaces are often shiny

Archaeological Significance

Monuments

Used

Famous Monuments

Not Available

Sculpture

Used

Famous Sculptures

Not Available

Pictographs

Used

Not Used

Petroglyphs

Used

Not Used

Figurines

Used

Fossils

Absent

Types of Peridotite and Amphibolite

Some rocks according to their use or texture are classified into different types. Know more about Peridotite Texture and Amphibolite Texture. Types of Peridotite are Dunite, Wehrlite, Harzburgite, Lherzolite and Pyrolite whereas the types of Amphibolite are Hornblendite.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. Peridotite was used to create pictographs whereas Amphibolite is not used to create 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. Peridotite was used to create petroglyphs whereas Amphibolite was not used to create petroglyphs.