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Scoria and Borolanite Definition


Borolanite and Scoria Definition


Definition

Definition
Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities   
Borolanite is a variety of Nepheline Syenite and belongs to igneous rocks and contains nepheline-alkali feldspar pseudomorphs which occur as conspicuous white spots in the dark rock matrix   

History
  
  

Origin
Unknown   
Scotland   

Discoverer
Unknown   
Unknown   

Etymology
From late Middle English (denoting slag from molten metal), from Greek skōria refuse, from skōr dung   
From Alkalic Igneous complex near Loch Borralan in northwest Scotland   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Volcanic   
Plutonic   

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

Texture >>
<< Summary

Definition of Scoria and Borolanite

The general Scoria and Borolanite definition can be stated as: Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities. On the other hand, Borolanite is a variety of Nepheline Syenite and belongs to igneous rocks and contains nepheline-alkali feldspar pseudomorphs which occur as conspicuous white spots in the dark rock matrix. Along with definition of Scoria and Borolanite, get to know about Properties of Scoria and Borolanite. Get to know more information about Scoria and Borolanite origin and discoverer, etymology and class.

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History of Scoria and Borolanite

The history of Scoria and Borolanite 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 Borolanite Origin and Discoverer

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

Etymology of Scoria and Borolanite

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

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