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Nepheline Syenite and Borolanite Definition


Borolanite and Nepheline Syenite Definition


Definition

Definition
Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz   
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   

History
  
  

Origin
Unknown   
Scotland   

Discoverer
Unknown   
Unknown   

Etymology
From origin of a Palaeozoic nepheline syenite from northern Shanxi Province, China   
From Alkalic Igneous complex near Loch Borralan in northwest Scotland   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Plutonic   
Plutonic   

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

Texture >>
<< Summary

Definition of Nepheline Syenite and Borolanite

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

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History of Nepheline Syenite and Borolanite

The history of Nepheline Syenite and Borolanite 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 Borolanite Origin and Discoverer

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

Etymology of Nepheline Syenite and Borolanite

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

For Nepheline Syenite,

For Borolanite,

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