Home
Compare Rocks


Obsidian and Epidosite Definition


Epidosite 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   
Epidosite is a highly altered epidote and quartz bearing rock which is a type of metasomatite, essentially altered basalt   

History
  
  

Origin
Ethiopia   
Unknown   

Discoverer
Obsius   
Unknown   

Etymology
From Latin obsidianus, misprint of Obsianus (lapis) (stone) of Obsius   
Not Available   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Volcanic   
Volcanic   

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

Texture >>
<< Summary

Definition of Obsidian and Epidosite

The general Obsidian and Epidosite 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, Epidosite is a highly altered epidote and quartz bearing rock which is a type of metasomatite, essentially altered basalt. Along with definition of Obsidian and Epidosite, get to know about Properties of Obsidian and Epidosite. Get to know more information about Obsidian and Epidosite origin and discoverer, etymology and class.

Compare Igneous Rocks

History of Obsidian and Epidosite

The history of Obsidian and Epidosite 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 Epidosite Origin and Discoverer

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

Etymology of Obsidian and Epidosite

Along with Obsidian and Epidosite definition, know more about the etymology of Obsidian and Epidosite. Etymology of Obsidian and Epidosite gives information about origin and formation of a particular rock. Know more about Formation of Obsidian and Formation of Epidosite. The etymology of Obsidian is From Latin obsidianus, misprint of Obsianus (lapis) (stone) of Obsius while that of Epidosite 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 and Epidosite belong to Igneous Rocks. The sub-class, group and other categories of Obsidian and Epidosite are listed below.

For Obsidian,

For Epidosite,

Igneous Rocks

Igneous Rocks

» More Igneous Rocks

Compare Igneous Rocks

» More Compare Igneous Rocks