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Comendite and Troctolite Definition


Troctolite and Comendite Definition


Definition

Definition
Comendite is a hard, peralkaline igneous rock, a type of light blue grey rhyolite   
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
  
  

Origin
Italy   
Unknown   

Discoverer
Unknown   
Christian Leopold von Buch   

Etymology
Comendite derives its name from the area of Le Commende on San Pietro Island in Italy   
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
Volcanic   
Plutonic   

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

Texture >>
<< Summary

Definition of Comendite and Troctolite

The general Comendite and Troctolite definition can be stated as: Comendite is a hard, peralkaline igneous rock, a type of light blue grey rhyolite. 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 Comendite and Troctolite, get to know about Properties of Comendite and Troctolite. Get to know more information about Comendite and Troctolite origin and discoverer, etymology and class.

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History of Comendite and Troctolite

The history of Comendite 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.

Comendite and Troctolite Origin and Discoverer

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

Etymology of Comendite and Troctolite

Along with Comendite and Troctolite definition, know more about the etymology of Comendite and Troctolite. Etymology of Comendite and Troctolite gives information about origin and formation of a particular rock. Know more about Formation of Comendite and Formation of Troctolite. The etymology of Comendite is Comendite derives its name from the area of Le Commende on San Pietro Island in Italy while that of Troctolite is Comendite derives its name from the area of Le Commende on San Pietro Island in Italy. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Comendite and Troctolite belong to Igneous Rocks. The sub-class, group and other categories of Comendite and Troctolite are listed below.

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