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Kenyte and Gneiss Definition


Gneiss 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   
Gneiss is a common and widely distributed type of rock formed by high-grade regional metamorphic processes from pre-existing formations that were originally either igneous or sedimentary rocks   

History
  
  

Origin
Mount Kenya   
Unknown   

Discoverer
J. W. Gregory   
Unknown   

Etymology
From the mountain ranges- Mount Kenya and is named by J. W. Gregory in 1900   
From the Middle High German verb gneist (to spark; so called because the rock glitters)   

Class
Igneous Rocks   
Metamorphic Rocks   

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

Family
  
  

Group
Not Applicable   
Not Applicable   

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

Texture >>
<< Summary

Definition of Kenyte and Gneiss

The general Kenyte and Gneiss 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, Gneiss is a common and widely distributed type of rock formed by high-grade regional metamorphic processes from pre-existing formations that were originally either igneous or sedimentary rocks. Along with definition of Kenyte and Gneiss, get to know about Properties of Kenyte and Gneiss. Get to know more information about Kenyte and Gneiss origin and discoverer, etymology and class.

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History of Kenyte and Gneiss

The history of Kenyte and Gneiss 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 Gneiss Origin and Discoverer

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

Etymology of Kenyte and Gneiss

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

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