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Troctolite and Borolanite Definition


Borolanite 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   
Borolanite is a variety of Nepheline Syenite and belongs to igneous rocks and contains nepheline-alkali feldspar pseudomorphs which occur as conspicuous white spots in the dark rock matrix   

History
  
  

Origin
Unknown   
Scotland   

Discoverer
Christian Leopold von Buch   
Unknown   

Etymology
From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout)   
From Alkalic Igneous complex near Loch Borralan in northwest Scotland   

Class
Igneous Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Hard Rock   
Durable Rock, Medium Hardness Rock   

Family
  
  

Group
Plutonic   
Plutonic   

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

Texture >>
<< Summary

Definition of Troctolite and Borolanite

The general Troctolite and Borolanite 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, Borolanite is a variety of Nepheline Syenite and belongs to igneous rocks and contains nepheline-alkali feldspar pseudomorphs which occur as conspicuous white spots in the dark rock matrix. Along with definition of Troctolite and Borolanite, get to know about Properties of Troctolite and Borolanite. Get to know more information about Troctolite and Borolanite origin and discoverer, etymology and class.

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History of Troctolite and Borolanite

The history of Troctolite and Borolanite 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 Borolanite Origin and Discoverer

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

Etymology of Troctolite and Borolanite

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

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