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Nephelinite and Pyrolite Definition


Pyrolite and Nephelinite Definition


Definition

Definition
Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).   
Pyrolite is an igneous rock consisting of about three parts of peridotite and one part of basalt   

History
  
  

Origin
Brazil   
Pike County, U.S   

Discoverer
Unknown   
Unknown   

Etymology
from French néphéline, from Greek nephelē   
From the chemical and mineralogical composition of the upper mantle of the Earth   

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 >>
<< Summary

Definition of Nephelinite and Pyrolite

The general Nephelinite and Pyrolite 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, Pyrolite is an igneous rock consisting of about three parts of peridotite and one part of basalt. Along with definition of Nephelinite and Pyrolite, get to know about Properties of Nephelinite and Pyrolite. Get to know more information about Nephelinite and Pyrolite origin and discoverer, etymology and class.

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History of Nephelinite and Pyrolite

The history of Nephelinite and Pyrolite 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 Pyrolite Origin and Discoverer

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

Etymology of Nephelinite and Pyrolite

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

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