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Anorthosite and Nepheline Syenite Definition


Nepheline Syenite and Anorthosite Definition


Definition

Definition
Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase   
Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz   

History
  
  

Discoverer
Unknown   
Unknown   

Etymology
From French anorthose plagioclase + -ite1   
From origin of a Palaeozoic nepheline syenite from northern Shanxi Province, China   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Plutonic   
Plutonic   

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

Texture >>
<< Summary

Definition of Anorthosite and Nepheline Syenite

The general Anorthosite and Nepheline Syenite definition can be stated as: Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase. On the other hand, Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz. Along with definition of Anorthosite and Nepheline Syenite, get to know about Properties of Anorthosite and Nepheline Syenite. Get to know more information about Anorthosite and Nepheline Syenite origin and discoverer, etymology and class.

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History of Anorthosite and Nepheline Syenite

The history of Anorthosite 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.

Anorthosite and Nepheline Syenite Origin and Discoverer

Anorthosite 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 Anorthosite and Nepheline Syenite. In this section, you will know about Anorthosite and Nepheline Syenite Origin and Discoverer. Origin of Anorthosite and Nepheline Syenite are Unknown. It is interesting to know the name of Anorthosite and Nepheline Syenite discoverer. The discoverer of Anorthosite and Nepheline Syenite are Unknown.

Etymology of Anorthosite and Nepheline Syenite

Along with Anorthosite and Nepheline Syenite definition, know more about the etymology of Anorthosite and Nepheline Syenite. Etymology of Anorthosite and Nepheline Syenite gives information about origin and formation of a particular rock. Know more about Formation of Anorthosite and Formation of Nepheline Syenite. The etymology of Anorthosite is From French anorthose plagioclase + -ite1 while that of Nepheline Syenite is From French anorthose plagioclase + -ite1. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Anorthosite and Nepheline Syenite belong to Igneous Rocks. The sub-class, group and other categories of Anorthosite and Nepheline Syenite are listed below.

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For Nepheline Syenite,

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