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Amphibolite and Variolite Definition


Variolite and Amphibolite Definition


Definition

Definition
Amphibolite can be defined as a granular metamorphic rock which mainly consist of hornblende and plagioclase   
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
Alexandre Brongniart   
Unknown   

Etymology
From Amphibole + -ite   
From Latin varius, speckled, variegated   

Class
Metamorphic Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Volcanic   

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

Texture >>
<< Summary

Definition of Amphibolite and Variolite

The general Amphibolite and Variolite definition can be stated as: Amphibolite can be defined as a granular metamorphic rock which mainly consist of hornblende and plagioclase. 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 Amphibolite and Variolite, get to know about Properties of Amphibolite and Variolite. Get to know more information about Amphibolite and Variolite origin and discoverer, etymology and class.

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History of Amphibolite and Variolite

The history of Amphibolite 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.

Amphibolite and Variolite Origin and Discoverer

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

Etymology of Amphibolite and Variolite

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

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