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Pegmatite and Ignimbrite Definition


Ignimbrite and Pegmatite Definition


Definition

Definition
Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals  
Ignimbrite is a volcanic rock consisting mainly of pumice fragments, formed by the consolidation of material deposited by pyroclastic flows  

History
  
  

Origin
-  
New Zealand  

Discoverer
R. J. Hauy  
Patrick Marshall  

Etymology
From Greek pegma, pegmat which means- thing joined together + -ite  
From Latin ignis fire + imber, imbr- shower of rain, storm cloud + -ite  

Class
Igneous Rocks  
Igneous Rocks  

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

Family
  
  

Group
Plutonic  
Volcanic  

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

Texture >>
<< Summary

Definition of Pegmatite and Ignimbrite

The general Pegmatite and Ignimbrite definition can be stated as: Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. On the other hand, Ignimbrite is a volcanic rock consisting mainly of pumice fragments, formed by the consolidation of material deposited by pyroclastic flows. Along with definition of Pegmatite and Ignimbrite, get to know about Properties of Pegmatite and Ignimbrite. Get to know more information about Pegmatite and Ignimbrite origin and discoverer, etymology and class.

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History of Pegmatite and Ignimbrite

The history of Pegmatite and Ignimbrite 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 Ignimbrite Origin and Discoverer

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

Etymology of Pegmatite and Ignimbrite

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

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