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Shonkinite and Phonolite Definition


Phonolite and Shonkinite Definition


Definition

Definition
Shonkinite is a rare, dark-coloured and intrusive igneous rock which contains augite and orthoclase feldspar as its primary constituents   
Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic   

History
  
  

Origin
USA   
Unknown   

Discoverer
Unknown   
Unknown   

Etymology
From the name of Shonkin Sag ranges in the Highwood Mountains of north-central Montana, US   
From the Greek meaning sounding stone because of the metallic sound it produces if an unfractured plate is hit   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Not Applicable   

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

Texture >>
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Definition of Shonkinite and Phonolite

The general Shonkinite and Phonolite definition can be stated as: Shonkinite is a rare, dark-coloured and intrusive igneous rock which contains augite and orthoclase feldspar as its primary constituents. On the other hand, Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic. Along with definition of Shonkinite and Phonolite, get to know about Properties of Shonkinite and Phonolite. Get to know more information about Shonkinite and Phonolite origin and discoverer, etymology and class.

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History of Shonkinite and Phonolite

The history of Shonkinite and Phonolite 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.

Shonkinite and Phonolite Origin and Discoverer

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

Etymology of Shonkinite and Phonolite

Along with Shonkinite and Phonolite definition, know more about the etymology of Shonkinite and Phonolite. Etymology of Shonkinite and Phonolite gives information about origin and formation of a particular rock. Know more about Formation of Shonkinite and Formation of Phonolite. The etymology of Shonkinite is From the name of Shonkin Sag ranges in the Highwood Mountains of north-central Montana, US while that of Phonolite is From the name of Shonkin Sag ranges in the Highwood Mountains of north-central Montana, US. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Shonkinite and Phonolite belong to Igneous Rocks. The sub-class, group and other categories of Shonkinite and Phonolite are listed below.

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