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Diorite and Nepheline Syenite Definition


Nepheline Syenite 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   
Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz   

History
  
  

Discoverer
Unknown   
Unknown   

Etymology
From early 19th century coined in French, formed irregularly from Greek diorizein distinguish   
From origin of a Palaeozoic nepheline syenite from northern Shanxi Province, China   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Plutonic   
Plutonic   

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

Texture >>
<< Summary

Definition of Diorite and Nepheline Syenite

The general Diorite and Nepheline Syenite 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, Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz. Along with definition of Diorite and Nepheline Syenite, get to know about Properties of Diorite and Nepheline Syenite. Get to know more information about Diorite and Nepheline Syenite origin and discoverer, etymology and class.

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History of Diorite and Nepheline Syenite

The history of Diorite and Nepheline Syenite 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 Nepheline Syenite Origin and Discoverer

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

Etymology of Diorite and Nepheline Syenite

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

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