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Arkose and Tephrite Definition


Tephrite and Arkose Definition


Definition

Definition
Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar  
Tephrite is an aphanitic to porphyritic textured, volcanic igneous rock  

History
  
  

Origin
France  
Germany  

Discoverer
Alexandre Brongniart  
Van Tooren  

Etymology
From Auvergne region of France used by a French geologist Alexandre Brongniart in 1826 who applied this term to some feldspathic sandstones  
From Greek tephra, ashes from Indo-European base, to burn  

Class
Sedimentary Rocks  
Igneous Rocks  

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

Family
  
  

Group
-  
Volcanic  

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

Texture >>
<< Summary

Definition of Arkose and Tephrite

The general Arkose and Tephrite definition can be stated as: Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar. On the other hand, Tephrite is an aphanitic to porphyritic textured, volcanic igneous rock. Along with definition of Arkose and Tephrite, get to know about Properties of Arkose and Tephrite. Get to know more information about Arkose and Tephrite origin and discoverer, etymology and class.

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History of Arkose and Tephrite

The history of Arkose and Tephrite 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.

Arkose and Tephrite Origin and Discoverer

Arkose and Tephrite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Arkose and Tephrite. In this section, you will know about Arkose and Tephrite Origin and Discoverer. Origin of Arkose is France whereas Origin of Tephrite is Germany. It is interesting to know the name of Arkose and Tephrite discoverer. The Discoverer of Arkose is Alexandre Brongniart and the discoverer of Tephrite is Van Tooren.

Etymology of Arkose and Tephrite

Along with Arkose and Tephrite definition, know more about the etymology of Arkose and Tephrite. Etymology of Arkose and Tephrite gives information about origin and formation of a particular rock. Know more about Formation of Arkose and Formation of Tephrite. The etymology of Arkose is From Auvergne region of France used by a French geologist Alexandre Brongniart in 1826 who applied this term to some feldspathic sandstones while that of Tephrite is From Auvergne region of France used by a French geologist Alexandre Brongniart in 1826 who applied this term to some feldspathic sandstones. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Arkose belongs to Sedimentary Rocks while Tephrite belongs to Igneous Rocks. The sub-class, group and other categories of Arkose and Tephrite are listed below.

For Arkose,

For Tephrite,

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