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Chert and Trachyte Definition


Trachyte and Chert Definition


Definition

Definition
Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture  
Trachyte is a grey fine-grained volcanic rock which mainly consists of alkali feldspar  

History
  
  

Origin
-  
-  

Discoverer
Unknown  
Alexandre Brongniart and René Just Haüy  

Etymology
From flint-like quartz, 1670s, of unknown origin- a local term, which has been taken into geological use  
From Greek trakhus rough’ or trakhutēs roughness  

Class
Sedimentary Rocks  
Igneous Rocks  

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

Family
  
  

Group
-  
Volcanic  

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

Texture >>
<< Summary

Definition of Chert and Trachyte

The general Chert and Trachyte definition can be stated as: Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture. On the other hand, Trachyte is a grey fine-grained volcanic rock which mainly consists of alkali feldspar. Along with definition of Chert and Trachyte, get to know about Properties of Chert and Trachyte. Get to know more information about Chert and Trachyte origin and discoverer, etymology and class.

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History of Chert and Trachyte

The history of Chert and Trachyte 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.

Chert and Trachyte Origin and Discoverer

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

Etymology of Chert and Trachyte

Along with Chert and Trachyte definition, know more about the etymology of Chert and Trachyte. Etymology of Chert and Trachyte gives information about origin and formation of a particular rock. Know more about Formation of Chert and Formation of Trachyte. The etymology of Chert is From flint-like quartz, 1670s, of unknown origin- a local term, which has been taken into geological use while that of Trachyte is From flint-like quartz, 1670s, of unknown origin- a local term, which has been taken into geological use. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Chert belongs to Sedimentary Rocks while Trachyte belongs to Igneous Rocks. The sub-class, group and other categories of Chert and Trachyte are listed below.

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