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Borolanite and Norite Definition


Norite 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   
Norite is a mafic intrusive igneous rock composed largely of the calcium-rich plagioclase labradorite, orthopyroxene, and olivine   

History
  
  

Origin
Scotland   
Norway   

Discoverer
Unknown   
Unknown   

Etymology
From Alkalic Igneous complex near Loch Borralan in northwest Scotland   
From the Norwegian name for Norway, Norge   

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 >>
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Definition of Borolanite and Norite

The general Borolanite and Norite 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, Norite is a mafic intrusive igneous rock composed largely of the calcium-rich plagioclase labradorite, orthopyroxene, and olivine. Along with definition of Borolanite and Norite, get to know about Properties of Borolanite and Norite. Get to know more information about Borolanite and Norite origin and discoverer, etymology and class.

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History of Borolanite and Norite

The history of Borolanite and Norite 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 Norite Origin and Discoverer

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

Etymology of Borolanite and Norite

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

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For Norite,

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