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Borolanite and Arkose Definition


Arkose and Borolanite Definition


Definition

Definition
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   
Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar   

History
  
  

Origin
Scotland   
France   

Discoverer
Unknown   
Alexandre Brongniart   

Etymology
From Alkalic Igneous complex near Loch Borralan in northwest Scotland   
From Auvergne region of France used by a French geologist Alexandre Brongniart in 1826 who applied this term to some feldspathic sandstones   

Class
Igneous Rocks   
Sedimentary Rocks   

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

Family
  
  

Group
Plutonic   
Not Applicable   

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

Texture >>
<< Summary

Definition of Borolanite and Arkose

The general Borolanite and Arkose definition can be stated as: 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. On the other hand, Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar. Along with definition of Borolanite and Arkose, get to know about Properties of Borolanite and Arkose. Get to know more information about Borolanite and Arkose origin and discoverer, etymology and class.

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History of Borolanite and Arkose

The history of Borolanite and Arkose 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.

Borolanite and Arkose Origin and Discoverer

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

Etymology of Borolanite and Arkose

Along with Borolanite and Arkose definition, know more about the etymology of Borolanite and Arkose. Etymology of Borolanite and Arkose gives information about origin and formation of a particular rock. Know more about Formation of Borolanite and Formation of Arkose. The etymology of Borolanite is From Alkalic Igneous complex near Loch Borralan in northwest Scotland while that of Arkose is From Alkalic Igneous complex near Loch Borralan in northwest Scotland. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Borolanite belongs to Igneous Rocks while Arkose belongs to Sedimentary Rocks. The sub-class, group and other categories of Borolanite and Arkose are listed below.

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