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Kenyte and Greywacke Definition


Greywacke 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   
Greywacke is defined as a dark coarse-grained sandstone rock which contains more than 15 per cent clay   

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 German Grauwacke, from grau grey + wacke   

Class
Igneous Rocks   
Sedimentary 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   
Fine Grained Rock, Opaque Rock   

Texture >>
<< Summary

Definition of Kenyte and Greywacke

The general Kenyte and Greywacke 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, Greywacke is defined as a dark coarse-grained sandstone rock which contains more than 15 per cent clay. Along with definition of Kenyte and Greywacke, get to know about Properties of Kenyte and Greywacke. Get to know more information about Kenyte and Greywacke origin and discoverer, etymology and class.

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History of Kenyte and Greywacke

The history of Kenyte and Greywacke 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 Greywacke Origin and Discoverer

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

Etymology of Kenyte and Greywacke

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

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