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Theralite and Variolite Definition


Variolite and Theralite Definition


Definition

Definition
Theralite is a plutonic hylocrystalline igneous rock consisting of augite, olivine, calcic plagioclase and nepheline   
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   

History
  
  

Origin
Unknown   
France   

Discoverer
Unknown   
Unknown   

Etymology
From Greek to pursue   
From Latin varius, speckled, variegated   

Class
Igneous Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Hard Rock   
Durable Rock, Hard Rock   

Family
  
  

Group
Plutonic   
Volcanic   

Other Categories
Fine Grained Rock, Opaque Rock   
Opaque Rock   

Texture >>
<< Summary

Definition of Theralite and Variolite

The general Theralite and Variolite definition can be stated as: Theralite is a plutonic hylocrystalline igneous rock consisting of augite, olivine, calcic plagioclase and nepheline. On the other hand, 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. Along with definition of Theralite and Variolite, get to know about Properties of Theralite and Variolite. Get to know more information about Theralite and Variolite origin and discoverer, etymology and class.

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History of Theralite and Variolite

The history of Theralite and Variolite 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.

Theralite and Variolite Origin and Discoverer

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

Etymology of Theralite and Variolite

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

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