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Coquina and Tuff Definition


Tuff 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   
Tuff is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption   

History
  
  

Origin
European Foreland Basins   
Italy   

Discoverer
Unknown   
Unknown   

Etymology
From Concha (Latin)+ Coquina(Spanish) +conch(English)= Couquina (mid 19th century)   
From a Latin word tophous then in Italian tufo and finally tuff   

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 Tuff

The general Coquina and Tuff 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, Tuff is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption. Along with definition of Coquina and Tuff, get to know about Properties of Coquina and Tuff. Get to know more information about Coquina and Tuff origin and discoverer, etymology and class.

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History of Coquina and Tuff

The history of Coquina and Tuff 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 Tuff Origin and Discoverer

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

Etymology of Coquina and Tuff

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

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