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Coquina and Rhomb Porphyry Definition


Rhomb Porphyry 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   
Rhomb-porphyry is a porphyritic igneous rock with abundant wedge or lens shaped anorthoclase or feldspar phenocrysts   

History
  
  

Origin
European Foreland Basins   
Unknown   

Discoverer
Unknown   
Unknown   

Etymology
From Concha (Latin)+ Coquina(Spanish) +conch(English)= Couquina (mid 19th century)   
From Latin term that means purple   

Class
Sedimentary Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Volcanic   

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

Texture >>
<< Summary

Definition of Coquina and Rhomb Porphyry

The general Coquina and Rhomb Porphyry 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, Rhomb-porphyry is a porphyritic igneous rock with abundant wedge or lens shaped anorthoclase or feldspar phenocrysts. Along with definition of Coquina and Rhomb Porphyry, get to know about Properties of Coquina and Rhomb Porphyry. Get to know more information about Coquina and Rhomb Porphyry origin and discoverer, etymology and class.

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History of Coquina and Rhomb Porphyry

The history of Coquina and Rhomb Porphyry 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 Rhomb Porphyry Origin and Discoverer

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

Etymology of Coquina and Rhomb Porphyry

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

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