Peridotite and Lamprophyre Types and Facts

Peridotite

Lamprophyre

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Types

Dunite, Wehrlite, Harzburgite, Lherzolite and Pyrolite

Minette, Alnoite, Camptonite, Monchiquite, Fourchite, Vogesite, Appinite and Spessartite

Features

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

Always found as volcanic pipes over deep continental crust, Host rock for Diamond, Is one of the oldest rock, Surfaces are often shiny

Archaeological Significance

Monuments

Famous Monuments

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

Absent

Types of Peridotite and Lamprophyre

Some rocks according to their use or texture are classified into different types. Know more about Peridotite Texture and Lamprophyre Texture. Types of Peridotite are Dunite, Wehrlite, Harzburgite, Lherzolite and Pyrolite whereas the types of Lamprophyre are Minette, Alnoite, Camptonite, Monchiquite, Fourchite, Vogesite, Appinite and Spessartite.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 and Lamprophyre 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. Peridotite and Lamprophyre were for creating petroglyphs.