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Trachyandesite and Essexite  Definition


Essexite  and Trachyandesite Definition


Definition

Definition
Trachyandesite is an extrusive igneous rock.   
Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock   

History
  
  

Origin
Indonesia   
USA   

Discoverer
Unknown   
Unknown   

Etymology
From French trachyandésite, trachy + andésite andesite, a lava intermediate in composition between trachyte and andesite   
From the locality in Essex County, Massachusetts,US   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Volcanic   
Plutonic   

Other Categories
Fine Grained Rock, Opaque Rock   
Fine Grained Rock, Opaque Rock   

Texture >>
<< Summary

Definition of Trachyandesite and Essexite 

The general Trachyandesite and Essexite  definition can be stated as: Trachyandesite is an extrusive igneous rock.. 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 Trachyandesite and Essexite , get to know about Properties of Trachyandesite and Essexite . Get to know more information about Trachyandesite and Essexite  origin and discoverer, etymology and class.

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History of Trachyandesite and Essexite 

The history of Trachyandesite 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.

Trachyandesite and Essexite  Origin and Discoverer

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

Etymology of Trachyandesite and Essexite 

Along with Trachyandesite and Essexite  definition, know more about the etymology of Trachyandesite and Essexite . Etymology of Trachyandesite and Essexite  gives information about origin and formation of a particular rock. Know more about Formation of Trachyandesite and Formation of Essexite . The etymology of Trachyandesite is From French trachyandésite, trachy + andésite andesite, a lava intermediate in composition between trachyte and andesite while that of Essexite  is From French trachyandésite, trachy + andésite andesite, a lava intermediate in composition between trachyte and andesite. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Trachyandesite and Essexite  belong to Igneous Rocks. The sub-class, group and other categories of Trachyandesite and Essexite  are listed below.

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