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Trondhjemite and Schist Definition


Schist and Trondhjemite Definition


Definition

Definition
Trondhjemite is a leucocratic (light-colored) intrusive igneous rock. It is a variety of tonalite in which the plagioclase is mostly in the form of oligoclase. Trondhjemites are sometimes known as plagiogranites.   
Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation   

History
  
  

Origin
Tonale, Italy   
Unknown   

Discoverer
Unknown   
Unknown   

Etymology
Not Available   
From French schiste, Greek skhistos i.e. split   

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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<< Summary

Definition of Trondhjemite and Schist

The general Trondhjemite and Schist definition can be stated as: Trondhjemite is a leucocratic (light-colored) intrusive igneous rock. It is a variety of tonalite in which the plagioclase is mostly in the form of oligoclase. Trondhjemites are sometimes known as plagiogranites.. On the other hand, Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation. Along with definition of Trondhjemite and Schist, get to know about Properties of Trondhjemite and Schist. Get to know more information about Trondhjemite and Schist origin and discoverer, etymology and class.

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History of Trondhjemite and Schist

The history of Trondhjemite and Schist 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.

Trondhjemite and Schist Origin and Discoverer

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

Etymology of Trondhjemite and Schist

Along with Trondhjemite and Schist definition, know more about the etymology of Trondhjemite and Schist. Etymology of Trondhjemite and Schist gives information about origin and formation of a particular rock. Know more about Formation of Trondhjemite and Formation of Schist. The etymology of Trondhjemite is not available while that of Schist is not available. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Trondhjemite belongs to Igneous Rocks while Schist belongs to Metamorphic Rocks. The sub-class, group and other categories of Trondhjemite and Schist are listed below.

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