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Anorthosite and Borolanite Definition


Borolanite and Anorthosite Definition


Definition

Definition
Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase   
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 French anorthose plagioclase + -ite1   
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
Plutonic   
Plutonic   

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

Texture >>
<< Summary

Definition of Anorthosite and Borolanite

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

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History of Anorthosite and Borolanite

The history of Anorthosite 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.

Anorthosite and Borolanite Origin and Discoverer

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

Etymology of Anorthosite and Borolanite

Along with Anorthosite and Borolanite definition, know more about the etymology of Anorthosite and Borolanite. Etymology of Anorthosite and Borolanite gives information about origin and formation of a particular rock. Know more about Formation of Anorthosite and Formation of Borolanite. The etymology of Anorthosite is From French anorthose plagioclase + -ite1 while that of Borolanite is From French anorthose plagioclase + -ite1. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Anorthosite and Borolanite belong to Igneous Rocks. The sub-class, group and other categories of Anorthosite and Borolanite are listed below.

For Anorthosite,

For Borolanite,

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