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Trondhjemite and Teschenite Definition


Teschenite 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.   
Teschenite is coarse- to fine-grained, dark-coloured intrusive igneous rock that usually occurs in sills, dikes and irregular masses and is always altered to some extent   

History
  
  

Origin
Tonale, Italy   
Scotland   

Discoverer
Unknown   
Unknown   

Etymology
Not Available   
From its occurrence near Teschen. now known as Cieszyn, Pol., Scotland   

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 Teschenite

The general Trondhjemite and Teschenite 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, Teschenite is coarse- to fine-grained, dark-coloured intrusive igneous rock that usually occurs in sills, dikes and irregular masses and is always altered to some extent. Along with definition of Trondhjemite and Teschenite, get to know about Properties of Trondhjemite and Teschenite. Get to know more information about Trondhjemite and Teschenite origin and discoverer, etymology and class.

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History of Trondhjemite and Teschenite

The history of Trondhjemite and Teschenite 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 Teschenite Origin and Discoverer

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

Etymology of Trondhjemite and Teschenite

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

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