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Variolite and Felsite Definition


Felsite 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   
Felsite is a very fine grained volcanic rock that may or may not contain larger crystals and light colored rock that typically requires petrographic examination or chemical analysis for more precise definition   

History
  
  

Origin
France   
Unknown   

Discoverer
Unknown   
Unknown   

Etymology
From Latin varius, speckled, variegated   
From English feldspar and -ite   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Volcanic   
Volcanic   

Other Categories
Opaque Rock   
Fine Grained Rock, Opaque Rock   

Texture >>
<< Summary

Definition of Variolite and Felsite

The general Variolite and Felsite 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, Felsite is a very fine grained volcanic rock that may or may not contain larger crystals and light colored rock that typically requires petrographic examination or chemical analysis for more precise definition. Along with definition of Variolite and Felsite, get to know about Properties of Variolite and Felsite. Get to know more information about Variolite and Felsite origin and discoverer, etymology and class.

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History of Variolite and Felsite

The history of Variolite and Felsite 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 Felsite Origin and Discoverer

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

Etymology of Variolite and Felsite

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

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