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Norite and Borolanite Definition


Borolanite and Norite Definition


Definition

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

Discoverer
Unknown   
Unknown   

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

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Plutonic   
Plutonic   

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

Texture >>
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Definition of Norite and Borolanite

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

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History of Norite and Borolanite

The history of Norite 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.

Norite and Borolanite Origin and Discoverer

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

Etymology of Norite and Borolanite

Along with Norite and Borolanite definition, know more about the etymology of Norite and Borolanite. Etymology of Norite and Borolanite gives information about origin and formation of a particular rock. Know more about Formation of Norite and Formation of Borolanite. The etymology of Norite is From the Norwegian name for Norway, Norge while that of Borolanite is From the Norwegian name for Norway, Norge. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Norite and Borolanite belong to Igneous Rocks. The sub-class, group and other categories of Norite and Borolanite are listed below.

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