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Schist and Essexite  Definition


Essexite  and Schist Definition


Definition

Definition
Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation   
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 French schiste, Greek skhistos i.e. split   
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 Schist and Essexite 

The general Schist and Essexite  definition can be stated as: Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation. 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 Schist and Essexite , get to know about Properties of Schist and Essexite . Get to know more information about Schist and Essexite  origin and discoverer, etymology and class.

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History of Schist and Essexite 

The history of Schist 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.

Schist and Essexite  Origin and Discoverer

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

Etymology of Schist and Essexite 

Along with Schist and Essexite  definition, know more about the etymology of Schist and Essexite . Etymology of Schist and Essexite  gives information about origin and formation of a particular rock. Know more about Formation of Schist and Formation of Essexite . The etymology of Schist is From French schiste, Greek skhistos i.e. split while that of Essexite  is From French schiste, Greek skhistos i.e. split. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Schist belongs to Metamorphic Rocks while Essexite  belongs to Igneous Rocks. The sub-class, group and other categories of Schist and Essexite  are listed below.

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