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Tephrite and Nepheline Syenite Definition


Nepheline Syenite and Tephrite Definition


Definition

Definition
Tephrite is an aphanitic to porphyritic textured, volcanic igneous rock   
Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz   

History
  
  

Origin
Germany   
Unknown   

Discoverer
Van Tooren   
Unknown   

Etymology
From Greek tephra, ashes from Indo-European base, to burn   
From origin of a Palaeozoic nepheline syenite from northern Shanxi Province, China   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Volcanic   
Plutonic   

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

Texture >>
<< Summary

Definition of Tephrite and Nepheline Syenite

The general Tephrite and Nepheline Syenite definition can be stated as: Tephrite is an aphanitic to porphyritic textured, volcanic igneous rock. On the other hand, Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz. Along with definition of Tephrite and Nepheline Syenite, get to know about Properties of Tephrite and Nepheline Syenite. Get to know more information about Tephrite and Nepheline Syenite origin and discoverer, etymology and class.

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History of Tephrite and Nepheline Syenite

The history of Tephrite and Nepheline Syenite 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.

Tephrite and Nepheline Syenite Origin and Discoverer

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

Etymology of Tephrite and Nepheline Syenite

Along with Tephrite and Nepheline Syenite definition, know more about the etymology of Tephrite and Nepheline Syenite. Etymology of Tephrite and Nepheline Syenite gives information about origin and formation of a particular rock. Know more about Formation of Tephrite and Formation of Nepheline Syenite. The etymology of Tephrite is From Greek tephra, ashes from Indo-European base, to burn while that of Nepheline Syenite is From Greek tephra, ashes from Indo-European base, to burn. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Tephrite and Nepheline Syenite belong to Igneous Rocks. The sub-class, group and other categories of Tephrite and Nepheline Syenite are listed below.

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