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Tonalite and Migmatite Definition


Migmatite and Tonalite Definition


Definition

Definition
Tonalite is a coarse-grained plutonic rock consisting mainly of sodic plagioclase, quartz, and hornblende or other mafic minerals with phaneritic texture   
Migmatite is typically a granitic rock within a metamorphic host rock which is composed of two intermingled but distinguishable components   

History
  
  

Origin
Tonale, Italy   
Southern Alps, France   

Discoverer
Unknown   
Jakob Sederholm   

Etymology
From Tonale Pass, northern Italy, + -ite1   
From the Greek word migma which means a mixture   

Class
Igneous Rocks   
Metamorphic Rocks   

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

Family
  
  

Group
Plutonic   
Not Applicable   

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

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Definition of Tonalite and Migmatite

The general Tonalite and Migmatite definition can be stated as: Tonalite is a coarse-grained plutonic rock consisting mainly of sodic plagioclase, quartz, and hornblende or other mafic minerals with phaneritic texture. 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 Tonalite and Migmatite, get to know about Properties of Tonalite and Migmatite. Get to know more information about Tonalite and Migmatite origin and discoverer, etymology and class.

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History of Tonalite and Migmatite

The history of Tonalite 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.

Tonalite and Migmatite Origin and Discoverer

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

Etymology of Tonalite and Migmatite

Along with Tonalite and Migmatite definition, know more about the etymology of Tonalite and Migmatite. Etymology of Tonalite and Migmatite gives information about origin and formation of a particular rock. Know more about Formation of Tonalite and Formation of Migmatite. The etymology of Tonalite is From Tonale Pass, northern Italy, + -ite1 while that of Migmatite is From Tonale Pass, northern Italy, + -ite1. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Tonalite belongs to Igneous Rocks while Migmatite belongs to Metamorphic Rocks. The sub-class, group and other categories of Tonalite and Migmatite are listed below.

For Tonalite,

For Migmatite,

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