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Diorite and Phonolite Definition


Phonolite and Diorite Definition


Definition

Definition
Diorite is a grey to dark-grey intermediate intrusive igneous rock composed principally of plagioclase feldspar,biotite, hornblende, and pyroxene  
Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic  

History
  
  

Origin
-  
-  

Discoverer
Unknown  
Unknown  

Etymology
From early 19th century coined in French, formed irregularly from Greek diorizein distinguish  
From the Greek meaning sounding stone because of the metallic sound it produces if an unfractured plate is hit  

Class
Igneous Rocks  
Igneous Rocks  

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

Family
  
  

Group
Plutonic  
-  

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

Texture >>
<< Summary

Definition of Diorite and Phonolite

The general Diorite and Phonolite definition can be stated as: Diorite is a grey to dark-grey intermediate intrusive igneous rock composed principally of plagioclase feldspar,biotite, hornblende, and pyroxene. On the other hand, Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic. Along with definition of Diorite and Phonolite, get to know about Properties of Diorite and Phonolite. Get to know more information about Diorite and Phonolite origin and discoverer, etymology and class.

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History of Diorite and Phonolite

The history of Diorite and Phonolite 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.

Diorite and Phonolite Origin and Discoverer

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

Etymology of Diorite and Phonolite

Along with Diorite and Phonolite definition, know more about the etymology of Diorite and Phonolite. Etymology of Diorite and Phonolite gives information about origin and formation of a particular rock. Know more about Formation of Diorite and Formation of Phonolite. The etymology of Diorite is From early 19th century coined in French, formed irregularly from Greek diorizein distinguish while that of Phonolite is From early 19th century coined in French, formed irregularly from Greek diorizein distinguish. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Diorite and Phonolite belong to Igneous Rocks. The sub-class, group and other categories of Diorite and Phonolite are listed below.

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