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Borolanite and Tephrite Definition


Tephrite 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   
Tephrite is an aphanitic to porphyritic textured, volcanic igneous rock   

History
  
  

Origin
Scotland   
Germany   

Discoverer
Unknown   
Van Tooren   

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

The general Borolanite and Tephrite 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, Tephrite is an aphanitic to porphyritic textured, volcanic igneous rock. Along with definition of Borolanite and Tephrite, get to know about Properties of Borolanite and Tephrite. Get to know more information about Borolanite and Tephrite origin and discoverer, etymology and class.

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History of Borolanite and Tephrite

The history of Borolanite 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.

Borolanite and Tephrite Origin and Discoverer

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

Etymology of Borolanite and Tephrite

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

For Borolanite,

For Tephrite,

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