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Pegmatite and Troctolite Definition


Troctolite and Pegmatite Definition


Definition

Definition
Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals   
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   

History
  
  

Discoverer
R. J. Hauy   
Christian Leopold von Buch   

Etymology
From Greek pegma, pegmat which means- thing joined together + -ite   
From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout)   

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   

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<< Summary

Definition of Pegmatite and Troctolite

The general Pegmatite and Troctolite definition can be stated as: Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. On the other hand, 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. Along with definition of Pegmatite and Troctolite, get to know about Properties of Pegmatite and Troctolite. Get to know more information about Pegmatite and Troctolite origin and discoverer, etymology and class.

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History of Pegmatite and Troctolite

The history of Pegmatite and Troctolite 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.

Pegmatite and Troctolite Origin and Discoverer

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

Etymology of Pegmatite and Troctolite

Along with Pegmatite and Troctolite definition, know more about the etymology of Pegmatite and Troctolite. Etymology of Pegmatite and Troctolite gives information about origin and formation of a particular rock. Know more about Formation of Pegmatite and Formation of Troctolite. The etymology of Pegmatite is From Greek pegma, pegmat which means- thing joined together + -ite while that of Troctolite is From Greek pegma, pegmat which means- thing joined together + -ite. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Pegmatite and Troctolite belong to Igneous Rocks. The sub-class, group and other categories of Pegmatite and Troctolite are listed below.

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