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Pegmatite and Dunite Definition


Dunite and Pegmatite Definition


Definition

Definition
Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals  
Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine  

History
  
  

Origin
-  
New Zealand  

Discoverer
R. J. Hauy  
Ferdinand von Hochstetter  

Etymology
From Greek pegma, pegmat which means- thing joined together + -ite  
From the name of Dun Mountain, New Zealand, + -ite1  

Class
Igneous Rocks  
Igneous Rocks  

Sub-Class
Durable Rock, Hard Rock  
Durable Rock, Medium Hardness Rock  

Family
  
  

Group
Plutonic  
Plutonic  

Other Categories
Coarse Grained Rock, Opaque Rock  
Coarse Grained Rock, Opaque Rock  

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<< Summary

Definition of Pegmatite and Dunite

The general Pegmatite and Dunite definition can be stated as: Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. On the other hand, Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine. Along with definition of Pegmatite and Dunite, get to know about Properties of Pegmatite and Dunite. Get to know more information about Pegmatite and Dunite origin and discoverer, etymology and class.

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History of Pegmatite and Dunite

The history of Pegmatite and Dunite gives information about where the rock was found and who was its discoverer. Almost each and every aspect of Earth's history is recorded in rocks be it the volcanoes which were erupted or the plants, animals and organisms which are now extinct, as rocks are present from millions of years.

Pegmatite and Dunite Origin and Discoverer

Pegmatite and Dunite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Pegmatite and Dunite. In this section, you will know about Pegmatite and Dunite Origin and Discoverer. Origin of Pegmatite is whereas Origin of Dunite is New Zealand. It is interesting to know the name of Pegmatite and Dunite discoverer. The Discoverer of Pegmatite is R. J. Hauy and the discoverer of Dunite is Ferdinand von Hochstetter.

Etymology of Pegmatite and Dunite

Along with Pegmatite and Dunite definition, know more about the etymology of Pegmatite and Dunite. Etymology of Pegmatite and Dunite gives information about origin and formation of a particular rock. Know more about Formation of Pegmatite and Formation of Dunite. The etymology of Pegmatite is From Greek pegma, pegmat which means- thing joined together + -ite while that of Dunite is From Greek pegma, pegmat which means- thing joined together + -ite. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Pegmatite and Dunite belong to Igneous Rocks. The sub-class, group and other categories of Pegmatite and Dunite are listed below.

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