Kimberlite and Pegmatite Types and Facts

Kimberlite

Pegmatite

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Types

Basaltic Kimberlites and Micaceous Kimberlites

Granite Pegmatite, Gabbro Pegmatite and Diorite Pegmatite

Features

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

Generally rough to touch, Is one of the oldest rock, Source of corundum, tourmalines, beryls and topaz

Archaeological Significance

Monuments

Famous Monuments

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

Absent

Types of Kimberlite and Pegmatite

Some rocks according to their use or texture are classified into different types. Know more about Kimberlite Texture and Pegmatite Texture. Types of Kimberlite are Basaltic Kimberlites and Micaceous Kimberlites whereas the types of Pegmatite are Granite Pegmatite, Gabbro Pegmatite and Diorite Pegmatite.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. Kimberlite and Pegmatite 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. Kimberlite and Pegmatite were for creating petroglyphs.