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Monzonite and Obsidian Definition


Obsidian and Monzonite Definition


Definition

Definition
Monzonite is a granular igneous rock with composition between syenite and diorite and containing approximately equal amounts of orthoclase and plagioclase   
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
Trento Province, Italy   
Ethiopia   

Discoverer
Unknown   
Obsius   

Etymology
From Mount Monzoni in the Tyrol, Italy, + -ite1   
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
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock   
Opaque Rock   

Texture >>
<< Summary

Definition of Monzonite and Obsidian

The general Monzonite and Obsidian definition can be stated as: Monzonite is a granular igneous rock with composition between syenite and diorite and containing approximately equal amounts of orthoclase and plagioclase. 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 Monzonite and Obsidian, get to know about Properties of Monzonite and Obsidian. Get to know more information about Monzonite and Obsidian origin and discoverer, etymology and class.

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History of Monzonite and Obsidian

The history of Monzonite 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.

Monzonite and Obsidian Origin and Discoverer

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

Etymology of Monzonite and Obsidian

Along with Monzonite and Obsidian definition, know more about the etymology of Monzonite and Obsidian. Etymology of Monzonite and Obsidian gives information about origin and formation of a particular rock. Know more about Formation of Monzonite and Formation of Obsidian. The etymology of Monzonite is From Mount Monzoni in the Tyrol, Italy, + -ite1 while that of Obsidian is From Mount Monzoni in the Tyrol, Italy, + -ite1. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Monzonite and Obsidian belong to Igneous Rocks. The sub-class, group and other categories of Monzonite and Obsidian are listed below.

For Monzonite,

For Obsidian,

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