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Troctolite and Dacite Definition


Dacite 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   
Dacite is a volcanic igneous rock which is rintermediate in composition between andesite and rhyolite   

History
  
  

Origin
Unknown   
Romania and Moldova, Europe   

Discoverer
Christian Leopold von Buch   
Unknown   

Etymology
From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout)   
From Dacia, a province of the Roman Empire which lay between the Danube River and Carpathian Mountains where the rock was first described   

Class
Igneous Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Hard Rock   
Durable Rock, Soft 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 Dacite

The general Troctolite and Dacite 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, Dacite is a volcanic igneous rock which is rintermediate in composition between andesite and rhyolite. Along with definition of Troctolite and Dacite, get to know about Properties of Troctolite and Dacite. Get to know more information about Troctolite and Dacite origin and discoverer, etymology and class.

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History of Troctolite and Dacite

The history of Troctolite and Dacite 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 Dacite Origin and Discoverer

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

Etymology of Troctolite and Dacite

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

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