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Borolanite and Nepheline Syenite Definition


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

History
  
  

Origin
Scotland   
Unknown   

Discoverer
Unknown   
Unknown   

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

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 Borolanite and Nepheline Syenite

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

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History of Borolanite and Nepheline Syenite

The history of Borolanite and Nepheline Syenite 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 Nepheline Syenite Origin and Discoverer

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

Etymology of Borolanite and Nepheline Syenite

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

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