Home
Compare Rocks


Borolanite and Migmatite Definition


Migmatite 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   
Migmatite is typically a granitic rock within a metamorphic host rock which is composed of two intermingled but distinguishable components   

History
  
  

Origin
Scotland   
Southern Alps, France   

Discoverer
Unknown   
Jakob Sederholm   

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

Class
Igneous Rocks   
Metamorphic Rocks   

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

Family
  
  

Group
Plutonic   
Not Applicable   

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

Texture >>
<< Summary

Definition of Borolanite and Migmatite

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

Compare Igneous Rocks

History of Borolanite and Migmatite

The history of Borolanite and Migmatite 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 Migmatite Origin and Discoverer

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

Etymology of Borolanite and Migmatite

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

For Borolanite,

For Migmatite,

Igneous Rocks

Igneous Rocks

» More Igneous Rocks

Compare Igneous Rocks

» More Compare Igneous Rocks