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Tonalite and Pegmatite Definition


Pegmatite and Tonalite Definition


Definition

Definition
Tonalite is a coarse-grained plutonic rock consisting mainly of sodic plagioclase, quartz, and hornblende or other mafic minerals with phaneritic texture  
Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals  

History
  
  

Origin
Tonale, Italy  
-  

Discoverer
Warren Hamilton  
R. J. Hauy  

Etymology
From Tonale Pass, northern Italy, + -ite1  
From Greek pegma, pegmat which means- thing joined together + -ite  

Class
Igneous Rocks  
Igneous Rocks  

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

Family
  
  

Group
Plutonic  
Plutonic  

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

Texture >>
<< Summary

Definition of Tonalite and Pegmatite

The general Tonalite and Pegmatite definition can be stated as: Tonalite is a coarse-grained plutonic rock consisting mainly of sodic plagioclase, quartz, and hornblende or other mafic minerals with phaneritic texture. On the other hand, Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. Along with definition of Tonalite and Pegmatite, get to know about Properties of Tonalite and Pegmatite. Get to know more information about Tonalite and Pegmatite origin and discoverer, etymology and class.

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History of Tonalite and Pegmatite

The history of Tonalite and Pegmatite 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.

Tonalite and Pegmatite Origin and Discoverer

Tonalite and Pegmatite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Tonalite and Pegmatite. In this section, you will know about Tonalite and Pegmatite Origin and Discoverer. Origin of Tonalite is Tonale, Italy whereas Origin of Pegmatite is . It is interesting to know the name of Tonalite and Pegmatite discoverer. The Discoverer of Tonalite is Warren Hamilton and the discoverer of Pegmatite is R. J. Hauy.

Etymology of Tonalite and Pegmatite

Along with Tonalite and Pegmatite definition, know more about the etymology of Tonalite and Pegmatite. Etymology of Tonalite and Pegmatite gives information about origin and formation of a particular rock. Know more about Formation of Tonalite and Formation of Pegmatite. The etymology of Tonalite is From Tonale Pass, northern Italy, + -ite1 while that of Pegmatite is From Tonale Pass, northern Italy, + -ite1. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Tonalite and Pegmatite belong to Igneous Rocks. The sub-class, group and other categories of Tonalite and Pegmatite are listed below.

For Tonalite,

For Pegmatite,

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