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Coquina and Litchfieldite Definition


Litchfieldite 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   
Litchfieldite is a rare igneous rock which is coarse-grained, foliated and a variety of nepheline syenite, sometimes also called as nepheline syenite gneiss or gneissic nepeheline syenite   

History
  
  

Origin
European Foreland Basins   
USA   

Discoverer
Unknown   
Bayley   

Etymology
From Concha (Latin)+ Coquina(Spanish) +conch(English)= Couquina (mid 19th century)   
From its occurrence at Litchfield, Maine, USA   

Class
Sedimentary Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Plutonic   

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

Texture >>
<< Summary

Definition of Coquina and Litchfieldite

The general Coquina and Litchfieldite 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, Litchfieldite is a rare igneous rock which is coarse-grained, foliated and a variety of nepheline syenite, sometimes also called as nepheline syenite gneiss or gneissic nepeheline syenite. Along with definition of Coquina and Litchfieldite, get to know about Properties of Coquina and Litchfieldite. Get to know more information about Coquina and Litchfieldite origin and discoverer, etymology and class.

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History of Coquina and Litchfieldite

The history of Coquina and Litchfieldite 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 Litchfieldite Origin and Discoverer

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

Etymology of Coquina and Litchfieldite

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

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