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Boninite and Dunite Definition


Dunite and Boninite Definition


Definition

Definition
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   
Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine   

History
  
  

Origin
Japan   
New Zealand   

Discoverer
Unknown   
Ferdinand von Hochstetter   

Etymology
From its occurrence in the Izu-Bonin arc south of Japan   
From the name of Dun Mountain, New Zealand, + -ite1   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Volcanic   
Plutonic   

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

Texture >>
<< Summary

Definition of Boninite and Dunite

The general Boninite and Dunite definition can be stated as: 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. On the other hand, Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine. Along with definition of Boninite and Dunite, get to know about Properties of Boninite and Dunite. Get to know more information about Boninite and Dunite origin and discoverer, etymology and class.

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History of Boninite and Dunite

The history of Boninite 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.

Boninite and Dunite Origin and Discoverer

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

Etymology of Boninite and Dunite

Along with Boninite and Dunite definition, know more about the etymology of Boninite and Dunite. Etymology of Boninite and Dunite gives information about origin and formation of a particular rock. Know more about Formation of Boninite and Formation of Dunite. The etymology of Boninite is From its occurrence in the Izu-Bonin arc south of Japan while that of Dunite is From its occurrence in the Izu-Bonin arc south of Japan. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Boninite and Dunite belong to Igneous Rocks. The sub-class, group and other categories of Boninite and Dunite are listed below.

For Boninite,

For Dunite,

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