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Ijolite and Norite Definition


Norite and Ijolite Definition


Definition

Definition
Ijolite is an intrusive igneous rock which is composed mainly of nepheline and an alkali pyroxene, usually aegirine-augite  
Norite is a mafic intrusive igneous rock composed largely of the calcium-rich plagioclase labradorite, orthopyroxene, and olivine  

History
  
  

Origin
Finland, Europe  
Norway  

Discoverer
Unknown  
Unknown  

Etymology
From the first syllable of the Finnish words Ii-vaara, Iijoki, &c. commonly used geographical names in Finland, and the Gr. Xiflos, a stone  
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
Coarse Grained Rock, Opaque Rock  
Coarse Grained Rock, Opaque Rock  

Texture >>
<< Summary

Definition of Ijolite and Norite

The general Ijolite and Norite definition can be stated as: Ijolite is an intrusive igneous rock which is composed mainly of nepheline and an alkali pyroxene, usually aegirine-augite. 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 Ijolite and Norite, get to know about Properties of Ijolite and Norite. Get to know more information about Ijolite and Norite origin and discoverer, etymology and class.

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History of Ijolite and Norite

The history of Ijolite 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.

Ijolite and Norite Origin and Discoverer

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

Etymology of Ijolite and Norite

Along with Ijolite and Norite definition, know more about the etymology of Ijolite and Norite. Etymology of Ijolite and Norite gives information about origin and formation of a particular rock. Know more about Formation of Ijolite and Formation of Norite. The etymology of Ijolite is From the first syllable of the Finnish words Ii-vaara, Iijoki, &c. commonly used geographical names in Finland, and the Gr. Xiflos, a stone while that of Norite is From the first syllable of the Finnish words Ii-vaara, Iijoki, &c. commonly used geographical names in Finland, and the Gr. Xiflos, a stone. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Ijolite and Norite belong to Igneous Rocks. The sub-class, group and other categories of Ijolite and Norite are listed below.

For Ijolite,

For Norite,

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