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Scoria and Nephelinite Definition


Nephelinite and Scoria Definition


Definition

Definition
Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities   
Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).   

History
  
  

Origin
Unknown   
Brazil   

Discoverer
Unknown   
Unknown   

Etymology
From late Middle English (denoting slag from molten metal), from Greek skōria refuse, from skōr dung   
from French néphéline, from Greek nephelē   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Volcanic   
Plutonic   

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

Texture >>
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Definition of Scoria and Nephelinite

The general Scoria and Nephelinite definition can be stated as: Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities. On the other hand, Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).. Along with definition of Scoria and Nephelinite, get to know about Properties of Scoria and Nephelinite. Get to know more information about Scoria and Nephelinite origin and discoverer, etymology and class.

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History of Scoria and Nephelinite

The history of Scoria and Nephelinite 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.

Scoria and Nephelinite Origin and Discoverer

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

Etymology of Scoria and Nephelinite

Along with Scoria and Nephelinite definition, know more about the etymology of Scoria and Nephelinite. Etymology of Scoria and Nephelinite gives information about origin and formation of a particular rock. Know more about Formation of Scoria and Formation of Nephelinite. The etymology of Scoria is From late Middle English (denoting slag from molten metal), from Greek skōria refuse, from skōr dung while that of Nephelinite is From late Middle English (denoting slag from molten metal), from Greek skōria refuse, from skōr dung. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Scoria and Nephelinite belong to Igneous Rocks. The sub-class, group and other categories of Scoria and Nephelinite are listed below.

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For Nephelinite,

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