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Greenschist and Essexite  Definition


Essexite  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   
Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock   

History
  
  

Origin
Unknown   
USA   

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 locality in Essex County, Massachusetts,US   

Class
Metamorphic Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Plutonic   

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

Texture >>
<< Summary

Definition of Greenschist and Essexite 

The general Greenschist and Essexite  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, Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock. Along with definition of Greenschist and Essexite , get to know about Properties of Greenschist and Essexite . Get to know more information about Greenschist and Essexite  origin and discoverer, etymology and class.

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History of Greenschist and Essexite 

The history of Greenschist and Essexite  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 Essexite  Origin and Discoverer

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

Etymology of Greenschist and Essexite 

Along with Greenschist and Essexite  definition, know more about the etymology of Greenschist and Essexite . Etymology of Greenschist and Essexite  gives information about origin and formation of a particular rock. Know more about Formation of Greenschist and Formation of Essexite . 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 Essexite  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 belongs to Metamorphic Rocks while Essexite  belongs to Igneous Rocks. The sub-class, group and other categories of Greenschist and Essexite  are listed below.

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