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Mylonite and Tonalite Definition


Tonalite and Mylonite Definition


Definition

Definition
Mylonite is a metamorphic rock formed by ductile deformation during intense shearing encountered during folding and faulting, a process termed cataclastic or dynamic metamorphism   
Tonalite is a coarse-grained plutonic rock consisting mainly of sodic plagioclase, quartz, and hornblende or other mafic minerals with phaneritic texture   

History
  
  

Origin
New Zealand   
Tonale, Italy   

Discoverer
Unknown   
Unknown   

Etymology
From Greek mulōn mill + -ite   
From Tonale Pass, northern Italy, + -ite1   

Class
Metamorphic Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Plutonic   

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

Texture >>
<< Summary

Definition of Mylonite and Tonalite

The general Mylonite and Tonalite definition can be stated as: Mylonite is a metamorphic rock formed by ductile deformation during intense shearing encountered during folding and faulting, a process termed cataclastic or dynamic metamorphism. On the other hand, Tonalite is a coarse-grained plutonic rock consisting mainly of sodic plagioclase, quartz, and hornblende or other mafic minerals with phaneritic texture. Along with definition of Mylonite and Tonalite, get to know about Properties of Mylonite and Tonalite. Get to know more information about Mylonite and Tonalite origin and discoverer, etymology and class.

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History of Mylonite and Tonalite

The history of Mylonite and Tonalite 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.

Mylonite and Tonalite Origin and Discoverer

Mylonite and Tonalite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Mylonite and Tonalite. In this section, you will know about Mylonite and Tonalite Origin and Discoverer. Origin of Mylonite is New Zealand whereas Origin of Tonalite is Tonale, Italy. It is interesting to know the name of Mylonite and Tonalite discoverer. The discoverer of Mylonite and Tonalite are Unknown.

Etymology of Mylonite and Tonalite

Along with Mylonite and Tonalite definition, know more about the etymology of Mylonite and Tonalite. Etymology of Mylonite and Tonalite gives information about origin and formation of a particular rock. Know more about Formation of Mylonite and Formation of Tonalite. The etymology of Mylonite is From Greek mulōn mill + -ite while that of Tonalite is From Greek mulōn mill + -ite. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Mylonite belongs to Metamorphic Rocks while Tonalite belongs to Igneous Rocks. The sub-class, group and other categories of Mylonite and Tonalite are listed below.

For Mylonite,

For Tonalite,

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