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Essexite  and Adakite Definition


Adakite and Essexite  Definition


Definition

Definition
Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock   
Adakite is an intermediate to felsic volcanic rock that has geochemical characteristics of magma which is said to be formed by partial melting of altered basalt that is subducted below volcanic arcs   

History
  
  

Origin
USA   
Adak, Aleutian Islands   

Discoverer
Unknown   
Defant and Drummond   

Etymology
From the locality in Essex County, Massachusetts,US   
From Adak, Aleutian Islands   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Plutonic   
Volcanic   

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

Texture >>
<< Summary

Definition of Essexite  and Adakite

The general Essexite  and Adakite definition can be stated as: Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock. On the other hand, Adakite is an intermediate to felsic volcanic rock that has geochemical characteristics of magma which is said to be formed by partial melting of altered basalt that is subducted below volcanic arcs. Along with definition of Essexite  and Adakite, get to know about Properties of Essexite  and Adakite. Get to know more information about Essexite  and Adakite origin and discoverer, etymology and class.

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History of Essexite  and Adakite

The history of Essexite  and Adakite 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.

Essexite  and Adakite Origin and Discoverer

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

Etymology of Essexite  and Adakite

Along with Essexite  and Adakite definition, know more about the etymology of Essexite  and Adakite. Etymology of Essexite  and Adakite gives information about origin and formation of a particular rock. Know more about Formation of Essexite  and Formation of Adakite. The etymology of Essexite  is From the locality in Essex County, Massachusetts,US while that of Adakite is From the locality in Essex County, Massachusetts,US. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Essexite  and Adakite belong to Igneous Rocks. The sub-class, group and other categories of Essexite  and Adakite are listed below.

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