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Coquina and Shonkinite Definition


Shonkinite 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   
Shonkinite is a rare, dark-coloured and intrusive igneous rock which contains augite and orthoclase feldspar as its primary constituents   

History
  
  

Origin
European Foreland Basins   
USA   

Discoverer
Unknown   
Unknown   

Etymology
From Concha (Latin)+ Coquina(Spanish) +conch(English)= Couquina (mid 19th century)   
From the name of Shonkin Sag ranges in the Highwood Mountains of north-central Montana, US   

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   
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock   

Texture >>
<< Summary

Definition of Coquina and Shonkinite

The general Coquina and Shonkinite 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, Shonkinite is a rare, dark-coloured and intrusive igneous rock which contains augite and orthoclase feldspar as its primary constituents. Along with definition of Coquina and Shonkinite, get to know about Properties of Coquina and Shonkinite. Get to know more information about Coquina and Shonkinite origin and discoverer, etymology and class.

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History of Coquina and Shonkinite

The history of Coquina and Shonkinite 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 Shonkinite Origin and Discoverer

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

Etymology of Coquina and Shonkinite

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

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