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Pegmatite and Amphibolite Definition


Amphibolite and Pegmatite Definition


Definition

Definition
Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals   
Amphibolite can be defined as a granular metamorphic rock which mainly consist of hornblende and plagioclase   

History
  
  

Discoverer
R. J. Hauy   
Alexandre Brongniart   

Etymology
From Greek pegma, pegmat which means- thing joined together + -ite   
From Amphibole + -ite   

Class
Igneous Rocks   
Metamorphic Rocks   

Sub-Class
Durable Rock, Hard Rock   
Durable Rock, Hard Rock   

Family
  
  

Group
Plutonic   
Not Applicable   

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

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<< Summary

Definition of Pegmatite and Amphibolite

The general Pegmatite and Amphibolite definition can be stated as: Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. On the other hand, Amphibolite can be defined as a granular metamorphic rock which mainly consist of hornblende and plagioclase. Along with definition of Pegmatite and Amphibolite, get to know about Properties of Pegmatite and Amphibolite. Get to know more information about Pegmatite and Amphibolite origin and discoverer, etymology and class.

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History of Pegmatite and Amphibolite

The history of Pegmatite and Amphibolite 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 Amphibolite Origin and Discoverer

Pegmatite and Amphibolite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Pegmatite and Amphibolite. In this section, you will know about Pegmatite and Amphibolite Origin and Discoverer. Origin of Pegmatite and Amphibolite are Unknown. It is interesting to know the name of Pegmatite and Amphibolite discoverer. The Discoverer of Pegmatite is R. J. Hauy and the discoverer of Amphibolite is Alexandre Brongniart.

Etymology of Pegmatite and Amphibolite

Along with Pegmatite and Amphibolite definition, know more about the etymology of Pegmatite and Amphibolite. Etymology of Pegmatite and Amphibolite gives information about origin and formation of a particular rock. Know more about Formation of Pegmatite and Formation of Amphibolite. The etymology of Pegmatite is From Greek pegma, pegmat which means- thing joined together + -ite while that of Amphibolite 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 belongs to Igneous Rocks while Amphibolite belongs to Metamorphic Rocks. The sub-class, group and other categories of Pegmatite and Amphibolite are listed below.

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