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Shonkinite and Rhyodacite Definition


Rhyodacite 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   
Rhyodacite is an extrusive volcanic rock intermediate in composition between dacite and rhyolite   

History
  
  

Origin
USA   
USA   

Discoverer
Unknown   
Unknown   

Etymology
From the name of Shonkin Sag ranges in the Highwood Mountains of north-central Montana, US   
Rhyo lite + dacite : a rock intermediate between rhyolite and dacite that is the extrusive equivalent of granodiorite   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Volcanic   

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

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Definition of Shonkinite and Rhyodacite

The general Shonkinite and Rhyodacite 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, Rhyodacite is an extrusive volcanic rock intermediate in composition between dacite and rhyolite. Along with definition of Shonkinite and Rhyodacite, get to know about Properties of Shonkinite and Rhyodacite. Get to know more information about Shonkinite and Rhyodacite origin and discoverer, etymology and class.

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History of Shonkinite and Rhyodacite

The history of Shonkinite and Rhyodacite 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 Rhyodacite Origin and Discoverer

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

Etymology of Shonkinite and Rhyodacite

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

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