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Pegmatite and Dacite Definition


Dacite and Pegmatite Definition


Definition

Definition
Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals   
Dacite is a volcanic igneous rock which is rintermediate in composition between andesite and rhyolite   

History
  
  

Origin
Unknown   
Romania and Moldova, Europe   

Discoverer
R. J. Hauy   
Unknown   

Etymology
From Greek pegma, pegmat which means- thing joined together + -ite   
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 Pegmatite and Dacite

The general Pegmatite and Dacite definition can be stated as: Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. On the other hand, Dacite is a volcanic igneous rock which is rintermediate in composition between andesite and rhyolite. Along with definition of Pegmatite and Dacite, get to know about Properties of Pegmatite and Dacite. Get to know more information about Pegmatite and Dacite origin and discoverer, etymology and class.

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History of Pegmatite and Dacite

The history of Pegmatite 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.

Pegmatite and Dacite Origin and Discoverer

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

Etymology of Pegmatite and Dacite

Along with Pegmatite and Dacite definition, know more about the etymology of Pegmatite and Dacite. Etymology of Pegmatite and Dacite gives information about origin and formation of a particular rock. Know more about Formation of Pegmatite and Formation of Dacite. The etymology of Pegmatite is From Greek pegma, pegmat which means- thing joined together + -ite while that of Dacite is From Greek pegma, pegmat which means- thing joined together + -ite. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Pegmatite and Dacite belong to Igneous Rocks. The sub-class, group and other categories of Pegmatite and Dacite are listed below.

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