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Comendite and Andesite Definition


Andesite and Comendite Definition


Definition

Definition
Comendite is a hard, peralkaline igneous rock, a type of light blue grey rhyolite  
Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava  

History
  
  

Origin
Italy  
North America  

Discoverer
Unknown  
Theodor von Gümbel  

Etymology
Comendite derives its name from the area of Le Commende on San Pietro Island in Italy  
From Andes mountains, where it is found in abundance  

Class
Igneous Rocks  
Igneous Rocks  

Sub-Class
Durable Rock, Hard Rock  
Durable Rock, Hard Rock  

Family
  
  

Group
Volcanic  
Volcanic  

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

Texture >>
<< Summary

Definition of Comendite and Andesite

The general Comendite and Andesite definition can be stated as: Comendite is a hard, peralkaline igneous rock, a type of light blue grey rhyolite. On the other hand, Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava. Along with definition of Comendite and Andesite, get to know about Properties of Comendite and Andesite. Get to know more information about Comendite and Andesite origin and discoverer, etymology and class.

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History of Comendite and Andesite

The history of Comendite and Andesite 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 Andesite Origin and Discoverer

Comendite and Andesite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Comendite and Andesite. In this section, you will know about Comendite and Andesite Origin and Discoverer. Origin of Comendite is Italy whereas Origin of Andesite is North America. It is interesting to know the name of Comendite and Andesite discoverer. The Discoverer of Comendite is Unknown and the discoverer of Andesite is Theodor von Gümbel.

Etymology of Comendite and Andesite

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

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