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Ijolite and Syenite Definition


Syenite and Ijolite Definition


Definition

Definition
Ijolite is an intrusive igneous rock which is composed mainly of nepheline and an alkali pyroxene, usually aegirine-augite   
Syenite is a coarse-grained igneous rock which is composed mainly of alkali feldspar and various ferromagnesian minerals   

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 French syénite, from Latin Syenites (lapis ) (stone) of Syene   

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, Fine Grained Rock, Medium Grained Rock, Opaque Rock   

Texture >>
<< Summary

Definition of Ijolite and Syenite

The general Ijolite and Syenite 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, Syenite is a coarse-grained igneous rock which is composed mainly of alkali feldspar and various ferromagnesian minerals. Along with definition of Ijolite and Syenite, get to know about Properties of Ijolite and Syenite. Get to know more information about Ijolite and Syenite origin and discoverer, etymology and class.

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History of Ijolite and Syenite

The history of Ijolite and Syenite 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 Syenite Origin and Discoverer

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

Etymology of Ijolite and Syenite

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

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