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Variolite and Shonkinite Definition


Shonkinite and Variolite Definition


Definition

Definition
Variolites are a group of dark green basic igneous rocks which exhibit pale colored spots, or spherules, especially on weathered surfaces, that give them a pockmarked appearance   
Shonkinite is a rare, dark-coloured and intrusive igneous rock which contains augite and orthoclase feldspar as its primary constituents   

History
  
  

Origin
France   
USA   

Discoverer
Unknown   
Unknown   

Etymology
From Latin varius, speckled, variegated   
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
Volcanic   
Not Applicable   

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

Texture >>
<< Summary

Definition of Variolite and Shonkinite

The general Variolite and Shonkinite definition can be stated as: Variolites are a group of dark green basic igneous rocks which exhibit pale colored spots, or spherules, especially on weathered surfaces, that give them a pockmarked appearance. 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 Variolite and Shonkinite, get to know about Properties of Variolite and Shonkinite. Get to know more information about Variolite and Shonkinite origin and discoverer, etymology and class.

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History of Variolite and Shonkinite

The history of Variolite 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.

Variolite and Shonkinite Origin and Discoverer

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

Etymology of Variolite and Shonkinite

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

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