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Nepheline Syenite and Tephrite Definition


Tephrite and Nepheline Syenite Definition


Definition

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

History
  
  

Origin
Unknown   
Germany   

Discoverer
Unknown   
Van Tooren   

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

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Plutonic   
Volcanic   

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

Texture >>
<< Summary

Definition of Nepheline Syenite and Tephrite

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

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History of Nepheline Syenite and Tephrite

The history of Nepheline Syenite 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.

Nepheline Syenite and Tephrite Origin and Discoverer

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

Etymology of Nepheline Syenite and Tephrite

Along with Nepheline Syenite and Tephrite definition, know more about the etymology of Nepheline Syenite and Tephrite. Etymology of Nepheline Syenite and Tephrite gives information about origin and formation of a particular rock. Know more about Formation of Nepheline Syenite and Formation of Tephrite. The etymology of Nepheline Syenite is From origin of a Palaeozoic nepheline syenite from northern Shanxi Province, China while that of Tephrite is From origin of a Palaeozoic nepheline syenite from northern Shanxi Province, China. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Nepheline Syenite and Tephrite belong to Igneous Rocks. The sub-class, group and other categories of Nepheline Syenite and Tephrite are listed below.

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For Tephrite,

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