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Borolanite and Ijolite Definition


Ijolite and Borolanite Definition


Definition

Definition
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   
Ijolite is an intrusive igneous rock which is composed mainly of nepheline and an alkali pyroxene, usually aegirine-augite   

History
  
  

Origin
Scotland   
Finland, Europe   

Discoverer
Unknown   
Unknown   

Etymology
From Alkalic Igneous complex near Loch Borralan in northwest Scotland   
From the first syllable of the Finnish words Ii-vaara, Iijoki, &c. commonly used geographical names in Finland, and the Gr. Xiflos, a stone   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Plutonic   
Plutonic   

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

Texture >>
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Definition of Borolanite and Ijolite

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

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History of Borolanite and Ijolite

The history of Borolanite and Ijolite 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.

Borolanite and Ijolite Origin and Discoverer

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

Etymology of Borolanite and Ijolite

Along with Borolanite and Ijolite definition, know more about the etymology of Borolanite and Ijolite. Etymology of Borolanite and Ijolite gives information about origin and formation of a particular rock. Know more about Formation of Borolanite and Formation of Ijolite. The etymology of Borolanite is From Alkalic Igneous complex near Loch Borralan in northwest Scotland while that of Ijolite is From Alkalic Igneous complex near Loch Borralan in northwest Scotland. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Borolanite and Ijolite belong to Igneous Rocks. The sub-class, group and other categories of Borolanite and Ijolite are listed below.

For Borolanite,

For Ijolite,

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