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Troctolite and Ijolite Definition


Ijolite 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   
Ijolite is an intrusive igneous rock which is composed mainly of nepheline and an alkali pyroxene, usually aegirine-augite   

History
  
  

Origin
Unknown   
Finland, Europe   

Discoverer
Christian Leopold von Buch   
Unknown   

Etymology
From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout)   
From the first syllable of the Finnish words Ii-vaara, Iijoki, &c. commonly used geographical names in Finland, and the Gr. Xiflos, a stone   

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   
Coarse Grained Rock, Opaque Rock   

Texture >>
<< Summary

Definition of Troctolite and Ijolite

The general Troctolite and Ijolite 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, Ijolite is an intrusive igneous rock which is composed mainly of nepheline and an alkali pyroxene, usually aegirine-augite. Along with definition of Troctolite and Ijolite, get to know about Properties of Troctolite and Ijolite. Get to know more information about Troctolite and Ijolite origin and discoverer, etymology and class.

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History of Troctolite and Ijolite

The history of Troctolite and Ijolite 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 Ijolite Origin and Discoverer

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

Etymology of Troctolite and Ijolite

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

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For Ijolite,

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