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Troctolite and Adakite Definition


Adakite 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   
Adakite is an intermediate to felsic volcanic rock that has geochemical characteristics of magma which is said to be formed by partial melting of altered basalt that is subducted below volcanic arcs   

History
  
  

Origin
Unknown   
Adak, Aleutian Islands   

Discoverer
Christian Leopold von Buch   
Defant and Drummond   

Etymology
From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout)   
From Adak, Aleutian Islands   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Plutonic   
Volcanic   

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

Texture >>
<< Summary

Definition of Troctolite and Adakite

The general Troctolite and Adakite 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, Adakite is an intermediate to felsic volcanic rock that has geochemical characteristics of magma which is said to be formed by partial melting of altered basalt that is subducted below volcanic arcs. Along with definition of Troctolite and Adakite, get to know about Properties of Troctolite and Adakite. Get to know more information about Troctolite and Adakite origin and discoverer, etymology and class.

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History of Troctolite and Adakite

The history of Troctolite and Adakite 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 Adakite Origin and Discoverer

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

Etymology of Troctolite and Adakite

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

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For Adakite,

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