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Nepheline Syenite and Teschenite Definition


Teschenite and Nepheline Syenite Definition


Definition

Definition
Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz   
Teschenite is coarse- to fine-grained, dark-coloured intrusive igneous rock that usually occurs in sills, dikes and irregular masses and is always altered to some extent   

History
  
  

Origin
Unknown   
Scotland   

Discoverer
Unknown   
Unknown   

Etymology
From origin of a Palaeozoic nepheline syenite from northern Shanxi Province, China   
From its occurrence near Teschen. now known as Cieszyn, Pol., Scotland   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Plutonic   
Plutonic   

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

Texture >>
<< Summary

Definition of Nepheline Syenite and Teschenite

The general Nepheline Syenite and Teschenite definition can be stated as: Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz. On the other hand, Teschenite is coarse- to fine-grained, dark-coloured intrusive igneous rock that usually occurs in sills, dikes and irregular masses and is always altered to some extent. Along with definition of Nepheline Syenite and Teschenite, get to know about Properties of Nepheline Syenite and Teschenite. Get to know more information about Nepheline Syenite and Teschenite origin and discoverer, etymology and class.

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History of Nepheline Syenite and Teschenite

The history of Nepheline Syenite and Teschenite 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 Teschenite Origin and Discoverer

Nepheline Syenite and Teschenite 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 Teschenite. In this section, you will know about Nepheline Syenite and Teschenite Origin and Discoverer. Origin of Nepheline Syenite is Unknown whereas Origin of Teschenite is Scotland. It is interesting to know the name of Nepheline Syenite and Teschenite discoverer. The discoverer of Nepheline Syenite and Teschenite are Unknown.

Etymology of Nepheline Syenite and Teschenite

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

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