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Shoshonite and Shonkinite Definition


Shonkinite and Shoshonite Definition


Definition

Definition
Shoshonite is a basaltic rock, properly a potassic trachyandesite, composed of olivine, augite and plagioclase phenocrysts in a groundmass with calcic plagioclase and sanidine and some dark-colored volcanic glass   
Shonkinite is a rare, dark-coloured and intrusive igneous rock which contains augite and orthoclase feldspar as its primary constituents   

History
  
  

Origin
Wyoming,USA   
USA   

Discoverer
Iddings   
Unknown   

Etymology
From the place of origin called Shoshone riverin Wyoming   
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, Medium Hardness Rock   
Durable Rock, Medium Hardness Rock   

Family
  
  

Group
Volcanic   
Not Applicable   

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

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Definition of Shoshonite and Shonkinite

The general Shoshonite and Shonkinite definition can be stated as: Shoshonite is a basaltic rock, properly a potassic trachyandesite, composed of olivine, augite and plagioclase phenocrysts in a groundmass with calcic plagioclase and sanidine and some dark-colored volcanic glass. 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 Shoshonite and Shonkinite, get to know about Properties of Shoshonite and Shonkinite. Get to know more information about Shoshonite and Shonkinite origin and discoverer, etymology and class.

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History of Shoshonite and Shonkinite

The history of Shoshonite 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.

Shoshonite and Shonkinite Origin and Discoverer

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

Etymology of Shoshonite and Shonkinite

Along with Shoshonite and Shonkinite definition, know more about the etymology of Shoshonite and Shonkinite. Etymology of Shoshonite and Shonkinite gives information about origin and formation of a particular rock. Know more about Formation of Shoshonite and Formation of Shonkinite. The etymology of Shoshonite is From the place of origin called Shoshone riverin Wyoming while that of Shonkinite is From the place of origin called Shoshone riverin Wyoming. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Shoshonite and Shonkinite belong to Igneous Rocks. The sub-class, group and other categories of Shoshonite and Shonkinite are listed below.

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