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Borolanite and Anorthosite Definition


Anorthosite 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   
Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase   

History
  
  

Origin
Scotland   
Unknown   

Discoverer
Unknown   
Unknown   

Etymology
From Alkalic Igneous complex near Loch Borralan in northwest Scotland   
From French anorthose plagioclase + -ite1   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Plutonic   
Plutonic   

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

Texture >>
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Definition of Borolanite and Anorthosite

The general Borolanite and Anorthosite 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, Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase. Along with definition of Borolanite and Anorthosite, get to know about Properties of Borolanite and Anorthosite. Get to know more information about Borolanite and Anorthosite origin and discoverer, etymology and class.

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History of Borolanite and Anorthosite

The history of Borolanite and Anorthosite 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 Anorthosite Origin and Discoverer

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

Etymology of Borolanite and Anorthosite

Along with Borolanite and Anorthosite definition, know more about the etymology of Borolanite and Anorthosite. Etymology of Borolanite and Anorthosite gives information about origin and formation of a particular rock. Know more about Formation of Borolanite and Formation of Anorthosite. The etymology of Borolanite is From Alkalic Igneous complex near Loch Borralan in northwest Scotland while that of Anorthosite 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 and Anorthosite belong to Igneous Rocks. The sub-class, group and other categories of Borolanite and Anorthosite are listed below.

For Borolanite,

For Anorthosite,

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