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Mylonite and Ijolite Definition


Ijolite 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   
Ijolite is an intrusive igneous rock which is composed mainly of nepheline and an alkali pyroxene, usually aegirine-augite   

History
  
  

Origin
New Zealand   
Finland, Europe   

Discoverer
Unknown   
Unknown   

Etymology
From Greek mulōn mill + -ite   
From the first syllable of the Finnish words Ii-vaara, Iijoki, &c. commonly used geographical names in Finland, and the Gr. Xiflos, a stone   

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   
Coarse Grained Rock, Opaque Rock   

Texture >>
<< Summary

Definition of Mylonite and Ijolite

The general Mylonite and Ijolite 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, Ijolite is an intrusive igneous rock which is composed mainly of nepheline and an alkali pyroxene, usually aegirine-augite. Along with definition of Mylonite and Ijolite, get to know about Properties of Mylonite and Ijolite. Get to know more information about Mylonite and Ijolite origin and discoverer, etymology and class.

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History of Mylonite and Ijolite

The history of Mylonite and Ijolite 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 Ijolite Origin and Discoverer

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

Etymology of Mylonite and Ijolite

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

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