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Trondhjemite and Granite Definition


Granite 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.  
Granite is a very hard, granular, crystalline igneous rock which consists mainly of quartz, mica, and feldspar and is often used as building stone  

History
  
  

Origin
Tonale, Italy  
-  

Discoverer
Unknown  
Alexander von Humboldt  

Etymology
From Trondheim, Norway  
From Italian granito, which means grained rock, from grano grain, and from Latin granum  

Class
Igneous Rocks  
Igneous Rocks  

Sub-Class
Durable Rock, Hard Rock  
Durable Rock, Hard Rock  

Family
  
  

Group
Plutonic  
Plutonic  

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

Texture >>
<< Summary

Definition of Trondhjemite and Granite

The general Trondhjemite and Granite 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, Granite is a very hard, granular, crystalline igneous rock which consists mainly of quartz, mica, and feldspar and is often used as building stone. Along with definition of Trondhjemite and Granite, get to know about Properties of Trondhjemite and Granite. Get to know more information about Trondhjemite and Granite origin and discoverer, etymology and class.

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History of Trondhjemite and Granite

The history of Trondhjemite and Granite 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 Granite Origin and Discoverer

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

Etymology of Trondhjemite and Granite

Along with Trondhjemite and Granite definition, know more about the etymology of Trondhjemite and Granite. Etymology of Trondhjemite and Granite gives information about origin and formation of a particular rock. Know more about Formation of Trondhjemite and Formation of Granite. The etymology of Trondhjemite is From Trondheim, Norway while that of Granite is From Trondheim, Norway. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Trondhjemite and Granite belong to Igneous Rocks. The sub-class, group and other categories of Trondhjemite and Granite are listed below.

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