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Troctolite and Boninite Definition


Boninite and Troctolite Definition


Definition

Definition
Troctolite is a mafic intrusive rock type. It consists essentially of major but variable amounts of olivine and calcic plagioclase along with minor pyroxene. It is an olivine-rich anorthosite, or a pyroxene-depleted relative of gabbro   
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
Unknown   
Japan   

Discoverer
Christian Leopold von Buch   
Unknown   

Etymology
From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout)   
From its occurrence in the Izu-Bonin arc south of Japan   

Class
Igneous Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Hard Rock   
Durable Rock, Hard Rock   

Family
  
  

Group
Plutonic   
Volcanic   

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

Texture >>
<< Summary

Definition of Troctolite and Boninite

The general Troctolite and Boninite definition can be stated as: Troctolite is a mafic intrusive rock type. It consists essentially of major but variable amounts of olivine and calcic plagioclase along with minor pyroxene. It is an olivine-rich anorthosite, or a pyroxene-depleted relative of gabbro. 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 Troctolite and Boninite, get to know about Properties of Troctolite and Boninite. Get to know more information about Troctolite and Boninite origin and discoverer, etymology and class.

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History of Troctolite and Boninite

The history of Troctolite 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.

Troctolite and Boninite Origin and Discoverer

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

Etymology of Troctolite and Boninite

Along with Troctolite and Boninite definition, know more about the etymology of Troctolite and Boninite. Etymology of Troctolite and Boninite gives information about origin and formation of a particular rock. Know more about Formation of Troctolite and Formation of Boninite. The etymology of Troctolite is From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout) while that of Boninite is From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout). The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Troctolite and Boninite belong to Igneous Rocks. The sub-class, group and other categories of Troctolite and Boninite are listed below.

For Troctolite,

For Boninite,

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