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Ijolite and Dunite Definition


Dunite and Ijolite Definition


Definition

Definition
Ijolite is an intrusive igneous rock which is composed mainly of nepheline and an alkali pyroxene, usually aegirine-augite   
Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine   

History
  
  

Origin
Finland, Europe   
New Zealand   

Discoverer
Unknown   
Ferdinand von Hochstetter   

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 name of Dun Mountain, New Zealand, + -ite1   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Plutonic   
Plutonic   

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

Texture >>
<< Summary

Definition of Ijolite and Dunite

The general Ijolite and Dunite 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, Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine. Along with definition of Ijolite and Dunite, get to know about Properties of Ijolite and Dunite. Get to know more information about Ijolite and Dunite origin and discoverer, etymology and class.

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History of Ijolite and Dunite

The history of Ijolite and Dunite 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 Dunite Origin and Discoverer

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

Etymology of Ijolite and Dunite

Along with Ijolite and Dunite definition, know more about the etymology of Ijolite and Dunite. Etymology of Ijolite and Dunite gives information about origin and formation of a particular rock. Know more about Formation of Ijolite and Formation of Dunite. 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 Dunite 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 Dunite belong to Igneous Rocks. The sub-class, group and other categories of Ijolite and Dunite are listed below.

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