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Borolanite and Teschenite Definition


Teschenite and Borolanite Definition


Definition

Definition
Borolanite is a variety of Nepheline Syenite and belongs to igneous rocks and contains nepheline-alkali feldspar pseudomorphs which occur as conspicuous white spots in the dark rock matrix   
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
Scotland   
Scotland   

Discoverer
Unknown   
Unknown   

Etymology
From Alkalic Igneous complex near Loch Borralan in northwest Scotland   
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 Borolanite and Teschenite

The general Borolanite and Teschenite definition can be stated as: Borolanite is a variety of Nepheline Syenite and belongs to igneous rocks and contains nepheline-alkali feldspar pseudomorphs which occur as conspicuous white spots in the dark rock matrix. 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 Borolanite and Teschenite, get to know about Properties of Borolanite and Teschenite. Get to know more information about Borolanite and Teschenite origin and discoverer, etymology and class.

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History of Borolanite and Teschenite

The history of Borolanite 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.

Borolanite and Teschenite Origin and Discoverer

Borolanite and Teschenite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Borolanite and Teschenite. In this section, you will know about Borolanite and Teschenite Origin and Discoverer. Origin of Borolanite and Teschenite are Scotland. It is interesting to know the name of Borolanite and Teschenite discoverer. The discoverer of Borolanite and Teschenite are Unknown.

Etymology of Borolanite and Teschenite

Along with Borolanite and Teschenite definition, know more about the etymology of Borolanite and Teschenite. Etymology of Borolanite and Teschenite gives information about origin and formation of a particular rock. Know more about Formation of Borolanite and Formation of Teschenite. The etymology of Borolanite is From Alkalic Igneous complex near Loch Borralan in northwest Scotland while that of Teschenite is From Alkalic Igneous complex near Loch Borralan in northwest Scotland. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Borolanite and Teschenite belong to Igneous Rocks. The sub-class, group and other categories of Borolanite and Teschenite are listed below.

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