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Ijolite and Diorite Definition


Diorite and Ijolite Definition


Definition

Definition
Ijolite is an intrusive igneous rock which is composed mainly of nepheline and an alkali pyroxene, usually aegirine-augite   
Diorite is a grey to dark-grey intermediate intrusive igneous rock composed principally of plagioclase feldspar,biotite, hornblende, and pyroxene   

History
  
  

Origin
Finland, Europe   
Unknown   

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 early 19th century coined in French, formed irregularly from Greek diorizein distinguish   

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, Medium Grained Rock, Opaque Rock   

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<< Summary

Definition of Ijolite and Diorite

The general Ijolite and Diorite 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, Diorite is a grey to dark-grey intermediate intrusive igneous rock composed principally of plagioclase feldspar,biotite, hornblende, and pyroxene. Along with definition of Ijolite and Diorite, get to know about Properties of Ijolite and Diorite. Get to know more information about Ijolite and Diorite origin and discoverer, etymology and class.

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History of Ijolite and Diorite

The history of Ijolite and Diorite 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 Diorite Origin and Discoverer

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

Etymology of Ijolite and Diorite

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

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