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Lherzolite and Obsidian Definition


Obsidian and Lherzolite Definition


Definition

Definition
Lherzolite is a type of ultramafic igneous rock which contains essential olivine and clinopyroxene and orthopyroxene in equal proportions   
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   

History
  
  

Origin
France   
Ethiopia   

Discoverer
Unknown   
Obsius   

Etymology
From the Lherz Massif, an alpine peridotite complex, at Étang de Lers, near Massat in the French Pyrenees; Lherz is the archaic spelling of this location   
From Latin obsidianus, misprint of Obsianus (lapis) (stone) of Obsius   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Plutonic   
Volcanic   

Other Categories
Fine Grained Rock, Opaque Rock   
Opaque Rock   

Texture >>
<< Summary

Definition of Lherzolite and Obsidian

The general Lherzolite and Obsidian definition can be stated as: Lherzolite is a type of ultramafic igneous rock which contains essential olivine and clinopyroxene and orthopyroxene in equal proportions. On the other hand, 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. Along with definition of Lherzolite and Obsidian, get to know about Properties of Lherzolite and Obsidian. Get to know more information about Lherzolite and Obsidian origin and discoverer, etymology and class.

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History of Lherzolite and Obsidian

The history of Lherzolite and Obsidian 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.

Lherzolite and Obsidian Origin and Discoverer

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

Etymology of Lherzolite and Obsidian

Along with Lherzolite and Obsidian definition, know more about the etymology of Lherzolite and Obsidian. Etymology of Lherzolite and Obsidian gives information about origin and formation of a particular rock. Know more about Formation of Lherzolite and Formation of Obsidian. The etymology of Lherzolite is From the Lherz Massif, an alpine peridotite complex, at Étang de Lers, near Massat in the French Pyrenees; Lherz is the archaic spelling of this location while that of Obsidian is From the Lherz Massif, an alpine peridotite complex, at Étang de Lers, near Massat in the French Pyrenees; Lherz is the archaic spelling of this location. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Lherzolite and Obsidian belong to Igneous Rocks. The sub-class, group and other categories of Lherzolite and Obsidian are listed below.

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