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Litchfieldite and Coquina Definition


Coquina and Litchfieldite Definition


Definition

Definition
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   
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   

History
  
  

Origin
USA   
European Foreland Basins   

Discoverer
Bayley   
Unknown   

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

Class
Igneous Rocks   
Sedimentary Rocks   

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

Family
  
  

Group
Plutonic   
Not Applicable   

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

Texture >>
<< Summary

Definition of Litchfieldite and Coquina

The general Litchfieldite and Coquina definition can be stated as: 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. On the other hand, 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. Along with definition of Litchfieldite and Coquina, get to know about Properties of Litchfieldite and Coquina. Get to know more information about Litchfieldite and Coquina origin and discoverer, etymology and class.

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History of Litchfieldite and Coquina

The history of Litchfieldite and Coquina 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.

Litchfieldite and Coquina Origin and Discoverer

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

Etymology of Litchfieldite and Coquina

Along with Litchfieldite and Coquina definition, know more about the etymology of Litchfieldite and Coquina. Etymology of Litchfieldite and Coquina gives information about origin and formation of a particular rock. Know more about Formation of Litchfieldite and Formation of Coquina. The etymology of Litchfieldite is From its occurrence at Litchfield, Maine, USA while that of Coquina is From its occurrence at Litchfield, Maine, USA. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Litchfieldite belongs to Igneous Rocks while Coquina belongs to Sedimentary Rocks. The sub-class, group and other categories of Litchfieldite and Coquina are listed below.

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