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Greenschist and Gneiss Definition


Gneiss and Greenschist Definition


Definition

Definition
Greenschist is a metamorphic rock that is formed under lowest temperatures and pressures and is usually produced by regional metamorphism   
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   

History
  
  

Discoverer
Unknown   
Unknown   

Etymology
From minerals such as chlorite, serpentine, and epidote, and platy minerals such as muscovite and platy serpentine which are green in color   
From the Middle High German verb gneist (to spark; so called because the rock glitters)   

Class
Metamorphic Rocks   
Metamorphic Rocks   

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

Family
  
  

Group
Not Applicable   
Not Applicable   

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

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<< Summary

Definition of Greenschist and Gneiss

The general Greenschist and Gneiss definition can be stated as: Greenschist is a metamorphic rock that is formed under lowest temperatures and pressures and is usually produced by regional metamorphism. On the other hand, 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. Along with definition of Greenschist and Gneiss, get to know about Properties of Greenschist and Gneiss. Get to know more information about Greenschist and Gneiss origin and discoverer, etymology and class.

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History of Greenschist and Gneiss

The history of Greenschist and Gneiss 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.

Greenschist and Gneiss Origin and Discoverer

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

Etymology of Greenschist and Gneiss

Along with Greenschist and Gneiss definition, know more about the etymology of Greenschist and Gneiss. Etymology of Greenschist and Gneiss gives information about origin and formation of a particular rock. Know more about Formation of Greenschist and Formation of Gneiss. The etymology of Greenschist is From minerals such as chlorite, serpentine, and epidote, and platy minerals such as muscovite and platy serpentine which are green in color while that of Gneiss is From minerals such as chlorite, serpentine, and epidote, and platy minerals such as muscovite and platy serpentine which are green in color. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Greenschist and Gneiss belong to Metamorphic Rocks. The sub-class, group and other categories of Greenschist and Gneiss are listed below.

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