Peridotite and Tonalite Types and Facts

Peridotite

Tonalite

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Types

Dunite, Wehrlite, Harzburgite, Lherzolite and Pyrolite

Dacite

Features

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

Is one of the oldest rock, Typically speckled black and white.

Archaeological Significance

Monuments

Used

Not Yet Used

Famous Monuments

Not Available

Not Applicable

Sculpture

Used

Famous Sculptures

Not Available

Pictographs

Used

Not Used

Petroglyphs

Used

Not Used

Figurines

Used

Fossils

Absent

Types of Peridotite and Tonalite

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