Peridotite and Andesite Types and Facts

Peridotite

Andesite

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1 Types

1.1 Types

Dunite, Wehrlite, Harzburgite, Lherzolite and Pyrolite

Icelandite

1.2 Features

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

Generally rough to touch, High silica content, Is one of the oldest rock

1.3 Archaeological Significance

1.3.1 Monuments

Used

1.3.2 Famous Monuments

Data Not Available

Middle of the Earth in Ecuador

1.3.3 Sculpture

Used

1.3.4 Famous Sculptures

Data Not Available

1.3.5 Pictographs

Used

Not Used

1.3.6 Petroglyphs

Used

Not Used

1.3.7 Figurines

Used

1.4 Fossils

Absent

Types of Peridotite and Andesite

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