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Migmatite and Borolanite Definition


Borolanite and Migmatite Definition


Definition

Definition
Migmatite is typically a granitic rock within a metamorphic host rock which is composed of two intermingled but distinguishable components   
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
Southern Alps, France   
Scotland   

Discoverer
Jakob Sederholm   
Unknown   

Etymology
From the Greek word migma which means a mixture   
From Alkalic Igneous complex near Loch Borralan in northwest Scotland   

Class
Metamorphic Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Plutonic   

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

Texture >>
<< Summary

Definition of Migmatite and Borolanite

The general Migmatite and Borolanite definition can be stated as: Migmatite is typically a granitic rock within a metamorphic host rock which is composed of two intermingled but distinguishable components. 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 Migmatite and Borolanite, get to know about Properties of Migmatite and Borolanite. Get to know more information about Migmatite and Borolanite origin and discoverer, etymology and class.

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History of Migmatite and Borolanite

The history of Migmatite 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.

Migmatite and Borolanite Origin and Discoverer

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

Etymology of Migmatite and Borolanite

Along with Migmatite and Borolanite definition, know more about the etymology of Migmatite and Borolanite. Etymology of Migmatite and Borolanite gives information about origin and formation of a particular rock. Know more about Formation of Migmatite and Formation of Borolanite. The etymology of Migmatite is From the Greek word migma which means a mixture while that of Borolanite is From the Greek word migma which means a mixture. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Migmatite belongs to Metamorphic Rocks while Borolanite belongs to Igneous Rocks. The sub-class, group and other categories of Migmatite and Borolanite are listed below.

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