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Nephelinite and Anorthosite Definition


Anorthosite and Nephelinite Definition


Definition

Definition
Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).   
Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase   

History
  
  

Origin
Brazil   
Unknown   

Discoverer
Unknown   
Unknown   

Etymology
from French néphéline, from Greek nephelē   
From French anorthose plagioclase + -ite1   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Plutonic   
Plutonic   

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

Texture >>
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Definition of Nephelinite and Anorthosite

The general Nephelinite and Anorthosite definition can be stated as: Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).. On the other hand, Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase. Along with definition of Nephelinite and Anorthosite, get to know about Properties of Nephelinite and Anorthosite. Get to know more information about Nephelinite and Anorthosite origin and discoverer, etymology and class.

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History of Nephelinite and Anorthosite

The history of Nephelinite and Anorthosite 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.

Nephelinite and Anorthosite Origin and Discoverer

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

Etymology of Nephelinite and Anorthosite

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

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