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Coquina and Pseudotachylite Definition


Pseudotachylite 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   
Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.   

History
  
  

Origin
European Foreland Basins   
USA   

Discoverer
Unknown   
Unknown   

Etymology
From Concha (Latin)+ Coquina(Spanish) +conch(English)= Couquina (mid 19th century)   
From pseudo- +‎ tachylite, a glassy rock generated by frictional heat within faults.   

Class
Sedimentary Rocks   
Metamorphic Rocks   

Sub-Class
Durable Rock, Soft Rock   
Durable Rock, Hard Rock   

Family
  
  

Group
Not Applicable   
Not Applicable   

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

Texture >>
<< Summary

Definition of Coquina and Pseudotachylite

The general Coquina and Pseudotachylite 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, Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.. Along with definition of Coquina and Pseudotachylite, get to know about Properties of Coquina and Pseudotachylite. Get to know more information about Coquina and Pseudotachylite origin and discoverer, etymology and class.

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History of Coquina and Pseudotachylite

The history of Coquina and Pseudotachylite 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 Pseudotachylite Origin and Discoverer

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

Etymology of Coquina and Pseudotachylite

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

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