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Comendite and Adakite Definition


Adakite and Comendite Definition


Definition

Definition
Comendite is a hard, peralkaline igneous rock, a type of light blue grey rhyolite   
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
Italy   
Adak, Aleutian Islands   

Discoverer
Unknown   
Defant and Drummond   

Etymology
Comendite derives its name from the area of Le Commende on San Pietro Island in Italy   
From Adak, Aleutian Islands   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Volcanic   
Volcanic   

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

Texture >>
<< Summary

Definition of Comendite and Adakite

The general Comendite and Adakite definition can be stated as: Comendite is a hard, peralkaline igneous rock, a type of light blue grey rhyolite. 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 Comendite and Adakite, get to know about Properties of Comendite and Adakite. Get to know more information about Comendite and Adakite origin and discoverer, etymology and class.

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History of Comendite and Adakite

The history of Comendite 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.

Comendite and Adakite Origin and Discoverer

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

Etymology of Comendite and Adakite

Along with Comendite and Adakite definition, know more about the etymology of Comendite and Adakite. Etymology of Comendite and Adakite gives information about origin and formation of a particular rock. Know more about Formation of Comendite and Formation of Adakite. The etymology of Comendite is Comendite derives its name from the area of Le Commende on San Pietro Island in Italy while that of Adakite is Comendite derives its name from the area of Le Commende on San Pietro Island in Italy. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Comendite and Adakite belong to Igneous Rocks. The sub-class, group and other categories of Comendite and Adakite are listed below.

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