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Boninite and Porphyry Definition


Porphyry 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   
Porphyry is a reddish-brown to purple igneous rock containing large phenocrysts of various minerals embedded in a fine-grained matrix   

History
  
  

Origin
Japan   
Egypt   

Discoverer
Unknown   
Unknown   

Etymology
From its occurrence in the Izu-Bonin arc south of Japan   
From Old French porfire, from Italian porfiro and in some cases directly from Latin porphyrites   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Volcanic   
Plutonic   

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

Texture >>
<< Summary

Definition of Boninite and Porphyry

The general Boninite and Porphyry 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, Porphyry is a reddish-brown to purple igneous rock containing large phenocrysts of various minerals embedded in a fine-grained matrix. Along with definition of Boninite and Porphyry, get to know about Properties of Boninite and Porphyry. Get to know more information about Boninite and Porphyry origin and discoverer, etymology and class.

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History of Boninite and Porphyry

The history of Boninite and Porphyry 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 Porphyry Origin and Discoverer

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

Etymology of Boninite and Porphyry

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

For Boninite,

For Porphyry,

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