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Coquina and Kenyte Definition


Kenyte and Coquina Definition


Definition

Definition
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   
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   

History
  
  

Origin
European Foreland Basins   
Mount Kenya   

Discoverer
Unknown   
J. W. Gregory   

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

Class
Sedimentary Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Not Applicable   

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

Texture >>
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Definition of Coquina and Kenyte

The general Coquina and Kenyte definition can be stated as: 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. On the other hand, 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. Along with definition of Coquina and Kenyte, get to know about Properties of Coquina and Kenyte. Get to know more information about Coquina and Kenyte origin and discoverer, etymology and class.

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History of Coquina and Kenyte

The history of Coquina and Kenyte 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.

Coquina and Kenyte Origin and Discoverer

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

Etymology of Coquina and Kenyte

Along with Coquina and Kenyte definition, know more about the etymology of Coquina and Kenyte. Etymology of Coquina and Kenyte gives information about origin and formation of a particular rock. Know more about Formation of Coquina and Formation of Kenyte. The etymology of Coquina is From Concha (Latin)+ Coquina(Spanish) +conch(English)= Couquina (mid 19th century) while that of Kenyte is From Concha (Latin)+ Coquina(Spanish) +conch(English)= Couquina (mid 19th century). The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Coquina belongs to Sedimentary Rocks while Kenyte belongs to Igneous Rocks. The sub-class, group and other categories of Coquina and Kenyte are listed below.

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