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Gneiss and Mylonite Definition


Mylonite and Gneiss Definition


Definition

Definition
Gneiss is a common and widely distributed type of rock formed by high-grade regional metamorphic processes from pre-existing formations that were originally either igneous or sedimentary rocks   
Mylonite is a metamorphic rock formed by ductile deformation during intense shearing encountered during folding and faulting, a process termed cataclastic or dynamic metamorphism   

History
  
  

Origin
Unknown   
New Zealand   

Discoverer
Unknown   
Unknown   

Etymology
From the Middle High German verb gneist (to spark; so called because the rock glitters)   
From Greek mulōn mill + -ite   

Class
Metamorphic Rocks   
Metamorphic Rocks   

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

Family
  
  

Group
Not Applicable   
Not Applicable   

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

Texture >>
<< Summary

Definition of Gneiss and Mylonite

The general Gneiss and Mylonite definition can be stated as: Gneiss is a common and widely distributed type of rock formed by high-grade regional metamorphic processes from pre-existing formations that were originally either igneous or sedimentary rocks. On the other hand, Mylonite is a metamorphic rock formed by ductile deformation during intense shearing encountered during folding and faulting, a process termed cataclastic or dynamic metamorphism. Along with definition of Gneiss and Mylonite, get to know about Properties of Gneiss and Mylonite. Get to know more information about Gneiss and Mylonite origin and discoverer, etymology and class.

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History of Gneiss and Mylonite

The history of Gneiss and Mylonite 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.

Gneiss and Mylonite Origin and Discoverer

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

Etymology of Gneiss and Mylonite

Along with Gneiss and Mylonite definition, know more about the etymology of Gneiss and Mylonite. Etymology of Gneiss and Mylonite gives information about origin and formation of a particular rock. Know more about Formation of Gneiss and Formation of Mylonite. The etymology of Gneiss is From the Middle High German verb gneist (to spark; so called because the rock glitters) while that of Mylonite is From the Middle High German verb gneist (to spark; so called because the rock glitters). The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Gneiss and Mylonite belong to Metamorphic Rocks. The sub-class, group and other categories of Gneiss and Mylonite are listed below.

For Gneiss,

For Mylonite,

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