Dunite and Pegmatite Types and Facts
Types
Dunite
Granite Pegmatite, Gabbro Pegmatite and Diorite Pegmatite
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, Is one of the oldest rock, Source of corundum, tourmalines, beryls and topaz
Archaeological Significance
Types of Dunite and Pegmatite
Some rocks according to their use or texture are classified into different types. Know more about Dunite Texture and Pegmatite Texture. Types of Dunite are Dunite 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. Dunite 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. Dunite and Pegmatite were for creating petroglyphs.