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Borolanite and Boninite Definition


Boninite 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   
Boninite is a mafic extrusive rock which is high in magnesium and silica content, formed in fore-arc environments, typically during the early stages of subduction   

History
  
  

Origin
Scotland   
Japan   

Discoverer
Unknown   
Unknown   

Etymology
From Alkalic Igneous complex near Loch Borralan in northwest Scotland   
From its occurrence in the Izu-Bonin arc south of Japan   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Plutonic   
Volcanic   

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

Texture >>
<< Summary

Definition of Borolanite and Boninite

The general Borolanite and Boninite 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, Boninite is a mafic extrusive rock which is high in magnesium and silica content, formed in fore-arc environments, typically during the early stages of subduction. Along with definition of Borolanite and Boninite, get to know about Properties of Borolanite and Boninite. Get to know more information about Borolanite and Boninite origin and discoverer, etymology and class.

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History of Borolanite and Boninite

The history of Borolanite and Boninite 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 Boninite Origin and Discoverer

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

Etymology of Borolanite and Boninite

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

For Borolanite,

For Boninite,

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