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Troctolite and Norite Definition


Norite and Troctolite Definition


Definition

Definition
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   
Norite is a mafic intrusive igneous rock composed largely of the calcium-rich plagioclase labradorite, orthopyroxene, and olivine   

History
  
  

Origin
Unknown   
Norway   

Discoverer
Christian Leopold von Buch   
Unknown   

Etymology
From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout)   
From the Norwegian name for Norway, Norge   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Plutonic   
Plutonic   

Other Categories
Coarse Grained Rock, Opaque Rock   
Coarse Grained Rock, Opaque Rock   

Texture >>
<< Summary

Definition of Troctolite and Norite

The general Troctolite and Norite definition can be stated as: 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. On the other hand, Norite is a mafic intrusive igneous rock composed largely of the calcium-rich plagioclase labradorite, orthopyroxene, and olivine. Along with definition of Troctolite and Norite, get to know about Properties of Troctolite and Norite. Get to know more information about Troctolite and Norite origin and discoverer, etymology and class.

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History of Troctolite and Norite

The history of Troctolite and Norite 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.

Troctolite and Norite Origin and Discoverer

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

Etymology of Troctolite and Norite

Along with Troctolite and Norite definition, know more about the etymology of Troctolite and Norite. Etymology of Troctolite and Norite gives information about origin and formation of a particular rock. Know more about Formation of Troctolite and Formation of Norite. The etymology of Troctolite is From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout) while that of Norite is From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout). The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Troctolite and Norite belong to Igneous Rocks. The sub-class, group and other categories of Troctolite and Norite are listed below.

For Troctolite,

For Norite,

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