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Kenyte and Coquina Definition


Coquina 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   
Coquina is a sedimentary rock that is composed either wholly or almost entirely of the transported, abraded, and mechanically-sorted fragments of the shells of molluscs, trilobites, brachiopods, or other invertebrates   

History
  
  

Origin
Mount Kenya   
European Foreland Basins   

Discoverer
J. W. Gregory   
Unknown   

Etymology
From the mountain ranges- Mount Kenya and is named by J. W. Gregory in 1900   
From Concha (Latin)+ Coquina(Spanish) +conch(English)= Couquina (mid 19th century)   

Class
Igneous Rocks   
Sedimentary Rocks   

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

Family
  
  

Group
Not Applicable   
Not Applicable   

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

Texture >>
<< Summary

Definition of Kenyte and Coquina

The general Kenyte and Coquina 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, Coquina is a sedimentary rock that is composed either wholly or almost entirely of the transported, abraded, and mechanically-sorted fragments of the shells of molluscs, trilobites, brachiopods, or other invertebrates. Along with definition of Kenyte and Coquina, get to know about Properties of Kenyte and Coquina. Get to know more information about Kenyte and Coquina origin and discoverer, etymology and class.

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History of Kenyte and Coquina

The history of Kenyte and Coquina 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 Coquina Origin and Discoverer

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

Etymology of Kenyte and Coquina

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

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