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Trachyte and Comendite Definition


Comendite and Trachyte Definition


Definition

Definition
Trachyte is a grey fine-grained volcanic rock which mainly consists of alkali feldspar   
Comendite is a hard, peralkaline igneous rock, a type of light blue grey rhyolite   

History
  
  

Origin
Unknown   
Italy   

Discoverer
Alexandre Brongniart and René Just Haüy   
Unknown   

Etymology
From Greek trakhus rough’ or trakhutēs roughness   
Comendite derives its name from the area of Le Commende on San Pietro Island in Italy   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Volcanic   
Volcanic   

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

Texture >>
<< Summary

Definition of Trachyte and Comendite

The general Trachyte and Comendite definition can be stated as: Trachyte is a grey fine-grained volcanic rock which mainly consists of alkali feldspar. On the other hand, Comendite is a hard, peralkaline igneous rock, a type of light blue grey rhyolite. Along with definition of Trachyte and Comendite, get to know about Properties of Trachyte and Comendite. Get to know more information about Trachyte and Comendite origin and discoverer, etymology and class.

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History of Trachyte and Comendite

The history of Trachyte and Comendite 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.

Trachyte and Comendite Origin and Discoverer

Trachyte and Comendite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Trachyte and Comendite. In this section, you will know about Trachyte and Comendite Origin and Discoverer. Origin of Trachyte is Unknown whereas Origin of Comendite is Italy. It is interesting to know the name of Trachyte and Comendite discoverer. The Discoverer of Trachyte is Alexandre Brongniart and René Just Haüy and the discoverer of Comendite is Unknown.

Etymology of Trachyte and Comendite

Along with Trachyte and Comendite definition, know more about the etymology of Trachyte and Comendite. Etymology of Trachyte and Comendite gives information about origin and formation of a particular rock. Know more about Formation of Trachyte and Formation of Comendite. The etymology of Trachyte is From Greek trakhus rough’ or trakhutēs roughness while that of Comendite is From Greek trakhus rough’ or trakhutēs roughness. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Trachyte and Comendite belong to Igneous Rocks. The sub-class, group and other categories of Trachyte and Comendite are listed below.

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