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Mylonite and Borolanite Definition


Borolanite 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   
Borolanite is a variety of Nepheline Syenite and belongs to igneous rocks and contains nepheline-alkali feldspar pseudomorphs which occur as conspicuous white spots in the dark rock matrix   

History
  
  

Origin
New Zealand   
Scotland   

Discoverer
Unknown   
Unknown   

Etymology
From Greek mulōn mill + -ite   
From Alkalic Igneous complex near Loch Borralan in northwest Scotland   

Class
Metamorphic Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Plutonic   

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

Texture >>
<< Summary

Definition of Mylonite and Borolanite

The general Mylonite and Borolanite 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, Borolanite is a variety of Nepheline Syenite and belongs to igneous rocks and contains nepheline-alkali feldspar pseudomorphs which occur as conspicuous white spots in the dark rock matrix. Along with definition of Mylonite and Borolanite, get to know about Properties of Mylonite and Borolanite. Get to know more information about Mylonite and Borolanite origin and discoverer, etymology and class.

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History of Mylonite and Borolanite

The history of Mylonite and Borolanite 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 Borolanite Origin and Discoverer

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

Etymology of Mylonite and Borolanite

Along with Mylonite and Borolanite definition, know more about the etymology of Mylonite and Borolanite. Etymology of Mylonite and Borolanite gives information about origin and formation of a particular rock. Know more about Formation of Mylonite and Formation of Borolanite. The etymology of Mylonite is From Greek mulōn mill + -ite while that of Borolanite 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 Borolanite belongs to Igneous Rocks. The sub-class, group and other categories of Mylonite and Borolanite are listed below.

For Mylonite,

For Borolanite,

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