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Coquina and Trachyandesite Definition


Trachyandesite 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   
Trachyandesite is an extrusive igneous rock.   

History
  
  

Origin
European Foreland Basins   
Indonesia   

Discoverer
Unknown   
Unknown   

Etymology
From Concha (Latin)+ Coquina(Spanish) +conch(English)= Couquina (mid 19th century)   
From French trachyandésite, trachy + andésite andesite, a lava intermediate in composition between trachyte and andesite   

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 >>
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Definition of Coquina and Trachyandesite

The general Coquina and Trachyandesite 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, Trachyandesite is an extrusive igneous rock.. Along with definition of Coquina and Trachyandesite, get to know about Properties of Coquina and Trachyandesite. Get to know more information about Coquina and Trachyandesite origin and discoverer, etymology and class.

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History of Coquina and Trachyandesite

The history of Coquina and Trachyandesite 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 Trachyandesite Origin and Discoverer

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

Etymology of Coquina and Trachyandesite

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

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