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Shonkinite and Chert Definition


Chert 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   
Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture   

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 flint-like quartz, 1670s, of unknown origin- a local term, which has been taken into geological use   

Class
Igneous Rocks   
Sedimentary Rocks   

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

The general Shonkinite and Chert 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, Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture. Along with definition of Shonkinite and Chert, get to know about Properties of Shonkinite and Chert. Get to know more information about Shonkinite and Chert origin and discoverer, etymology and class.

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History of Shonkinite and Chert

The history of Shonkinite and Chert 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 Chert Origin and Discoverer

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

Etymology of Shonkinite and Chert

Along with Shonkinite and Chert definition, know more about the etymology of Shonkinite and Chert. Etymology of Shonkinite and Chert gives information about origin and formation of a particular rock. Know more about Formation of Shonkinite and Formation of Chert. The etymology of Shonkinite is From the name of Shonkin Sag ranges in the Highwood Mountains of north-central Montana, US while that of Chert 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 belongs to Igneous Rocks while Chert belongs to Sedimentary Rocks. The sub-class, group and other categories of Shonkinite and Chert are listed below.

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