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Trondhjemite and Greenschist Definition


Greenschist 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.   
Greenschist is a metamorphic rock that is formed under lowest temperatures and pressures and is usually produced by regional metamorphism   

History
  
  

Origin
Tonale, Italy   
Unknown   

Discoverer
Unknown   
Unknown   

Etymology
Not Available   
From minerals such as chlorite, serpentine, and epidote, and platy minerals such as muscovite and platy serpentine which are green in color   

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   

Texture >>
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Definition of Trondhjemite and Greenschist

The general Trondhjemite and Greenschist 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, Greenschist is a metamorphic rock that is formed under lowest temperatures and pressures and is usually produced by regional metamorphism. Along with definition of Trondhjemite and Greenschist, get to know about Properties of Trondhjemite and Greenschist. Get to know more information about Trondhjemite and Greenschist origin and discoverer, etymology and class.

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History of Trondhjemite and Greenschist

The history of Trondhjemite and Greenschist 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 Greenschist Origin and Discoverer

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

Etymology of Trondhjemite and Greenschist

Along with Trondhjemite and Greenschist definition, know more about the etymology of Trondhjemite and Greenschist. Etymology of Trondhjemite and Greenschist gives information about origin and formation of a particular rock. Know more about Formation of Trondhjemite and Formation of Greenschist. The etymology of Trondhjemite is not available while that of Greenschist 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 Greenschist belongs to Metamorphic Rocks. The sub-class, group and other categories of Trondhjemite and Greenschist are listed below.

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