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Pegmatite and Shonkinite Definition


Shonkinite and Pegmatite Definition


Definition

Definition
Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals   
Shonkinite is a rare, dark-coloured and intrusive igneous rock which contains augite and orthoclase feldspar as its primary constituents   

History
  
  

Origin
Unknown   
USA   

Discoverer
R. J. Hauy   
Unknown   

Etymology
From Greek pegma, pegmat which means- thing joined together + -ite   
From the name of Shonkin Sag ranges in the Highwood Mountains of north-central Montana, US   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Plutonic   
Not Applicable   

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

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Definition of Pegmatite and Shonkinite

The general Pegmatite and Shonkinite definition can be stated as: Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. On the other hand, Shonkinite is a rare, dark-coloured and intrusive igneous rock which contains augite and orthoclase feldspar as its primary constituents. Along with definition of Pegmatite and Shonkinite, get to know about Properties of Pegmatite and Shonkinite. Get to know more information about Pegmatite and Shonkinite origin and discoverer, etymology and class.

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History of Pegmatite and Shonkinite

The history of Pegmatite and Shonkinite 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 Shonkinite Origin and Discoverer

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

Etymology of Pegmatite and Shonkinite

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

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