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Migmatite and Troctolite Definition


Troctolite 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   
Troctolite is a mafic intrusive rock type. It consists essentially of major but variable amounts of olivine and calcic plagioclase along with minor pyroxene. It is an olivine-rich anorthosite, or a pyroxene-depleted relative of gabbro   

History
  
  

Origin
Southern Alps, France   
Unknown   

Discoverer
Jakob Sederholm   
Christian Leopold von Buch   

Etymology
From the Greek word migma which means a mixture   
From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout)   

Class
Metamorphic Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Plutonic   

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

Texture >>
<< Summary

Definition of Migmatite and Troctolite

The general Migmatite and Troctolite 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, Troctolite is a mafic intrusive rock type. It consists essentially of major but variable amounts of olivine and calcic plagioclase along with minor pyroxene. It is an olivine-rich anorthosite, or a pyroxene-depleted relative of gabbro. Along with definition of Migmatite and Troctolite, get to know about Properties of Migmatite and Troctolite. Get to know more information about Migmatite and Troctolite origin and discoverer, etymology and class.

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History of Migmatite and Troctolite

The history of Migmatite and Troctolite 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 Troctolite Origin and Discoverer

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

Etymology of Migmatite and Troctolite

Along with Migmatite and Troctolite definition, know more about the etymology of Migmatite and Troctolite. Etymology of Migmatite and Troctolite gives information about origin and formation of a particular rock. Know more about Formation of Migmatite and Formation of Troctolite. The etymology of Migmatite is From the Greek word migma which means a mixture while that of Troctolite 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 Troctolite belongs to Igneous Rocks. The sub-class, group and other categories of Migmatite and Troctolite are listed below.

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