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Nephelinite and Tachylite Definition


Tachylite and Nephelinite Definition


Definition

Definition
Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).   
Tachylite is a vitreous form of basaltic volcanic glass. This glass is formed naturally by the rapid cooling of molten basalt   

History
  
  

Origin
Brazil   
Iceland   

Discoverer
Unknown   
Unknown   

Etymology
from French néphéline, from Greek nephelē   
From German Tachylite, from tachy- + Greek lutos soluble, melting   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Plutonic   
Volcanic   

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

Texture >>
<< Summary

Definition of Nephelinite and Tachylite

The general Nephelinite and Tachylite 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, Tachylite is a vitreous form of basaltic volcanic glass. This glass is formed naturally by the rapid cooling of molten basalt. Along with definition of Nephelinite and Tachylite, get to know about Properties of Nephelinite and Tachylite. Get to know more information about Nephelinite and Tachylite origin and discoverer, etymology and class.

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History of Nephelinite and Tachylite

The history of Nephelinite and Tachylite 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 Tachylite Origin and Discoverer

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

Etymology of Nephelinite and Tachylite

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

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