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Obsidian and Eclogite Definition


Eclogite and Obsidian Definition


Definition

Definition
Obsidian is a naturally occurring volcanic glass formed as an extrusive igneous rock. It is produced when felsic lava extruded from a volcano cools rapidly with minimum crystal growth   
Eclogite is an extreme metamorphic rock, formed by regional metamorphism of basalt rock under very high pressure and temperature   

History
  
  

Origin
Ethiopia   
Unknown   

Discoverer
Obsius   
René Just Haüy   

Etymology
From Latin obsidianus, misprint of Obsianus (lapis) (stone) of Obsius   
From French, Greek eklogē selection with reference to the selective content of the rock + -ite1   

Class
Igneous Rocks   
Metamorphic Rocks   

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

Family
  
  

Group
Volcanic   
Not Applicable   

Other Categories
Opaque Rock   
Fine Grained Rock, Opaque Rock   

Texture >>
<< Summary

Definition of Obsidian and Eclogite

The general Obsidian and Eclogite definition can be stated as: Obsidian is a naturally occurring volcanic glass formed as an extrusive igneous rock. It is produced when felsic lava extruded from a volcano cools rapidly with minimum crystal growth. On the other hand, Eclogite is an extreme metamorphic rock, formed by regional metamorphism of basalt rock under very high pressure and temperature. Along with definition of Obsidian and Eclogite, get to know about Properties of Obsidian and Eclogite. Get to know more information about Obsidian and Eclogite origin and discoverer, etymology and class.

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History of Obsidian and Eclogite

The history of Obsidian and Eclogite 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.

Obsidian and Eclogite Origin and Discoverer

Obsidian and Eclogite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Obsidian and Eclogite. In this section, you will know about Obsidian and Eclogite Origin and Discoverer. Origin of Obsidian is Ethiopia whereas Origin of Eclogite is Unknown. It is interesting to know the name of Obsidian and Eclogite discoverer. The Discoverer of Obsidian is Obsius and the discoverer of Eclogite is René Just Haüy.

Etymology of Obsidian and Eclogite

Along with Obsidian and Eclogite definition, know more about the etymology of Obsidian and Eclogite. Etymology of Obsidian and Eclogite gives information about origin and formation of a particular rock. Know more about Formation of Obsidian and Formation of Eclogite. The etymology of Obsidian is From Latin obsidianus, misprint of Obsianus (lapis) (stone) of Obsius while that of Eclogite is From Latin obsidianus, misprint of Obsianus (lapis) (stone) of Obsius. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Obsidian belongs to Igneous Rocks while Eclogite belongs to Metamorphic Rocks. The sub-class, group and other categories of Obsidian and Eclogite are listed below.

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For Eclogite,

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