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Kenyte and Obsidian Definition


Obsidian and Kenyte Definition


Definition

Definition
Kenyte is a variety of porphyritic phonolite or trachyte rock with rhomb shaped phenocrysts of anorthoclase with variable olivine and augite in a glassy matrix   
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
Mount Kenya   
Ethiopia   

Discoverer
J. W. Gregory   
Obsius   

Etymology
From the mountain ranges- Mount Kenya and is named by J. W. Gregory in 1900   
From Latin obsidianus, misprint of Obsianus (lapis) (stone) of Obsius   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Volcanic   

Other Categories
Fine Grained Rock, Opaque Rock   
Opaque Rock   

Texture >>
<< Summary

Definition of Kenyte and Obsidian

The general Kenyte and Obsidian definition can be stated as: Kenyte is a variety of porphyritic phonolite or trachyte rock with rhomb shaped phenocrysts of anorthoclase with variable olivine and augite in a glassy matrix. 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 Kenyte and Obsidian, get to know about Properties of Kenyte and Obsidian. Get to know more information about Kenyte and Obsidian origin and discoverer, etymology and class.

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History of Kenyte and Obsidian

The history of Kenyte 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.

Kenyte and Obsidian Origin and Discoverer

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

Etymology of Kenyte and Obsidian

Along with Kenyte and Obsidian definition, know more about the etymology of Kenyte and Obsidian. Etymology of Kenyte and Obsidian gives information about origin and formation of a particular rock. Know more about Formation of Kenyte and Formation of Obsidian. The etymology of Kenyte is From the mountain ranges- Mount Kenya and is named by J. W. Gregory in 1900 while that of Obsidian is From the mountain ranges- Mount Kenya and is named by J. W. Gregory in 1900. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Kenyte and Obsidian belong to Igneous Rocks. The sub-class, group and other categories of Kenyte and Obsidian are listed below.

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