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Coquina and Tachylite Definition


Tachylite 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   
Tachylite is a vitreous form of basaltic volcanic glass. This glass is formed naturally by the rapid cooling of molten basalt   

History
  
  

Origin
European Foreland Basins   
Iceland   

Discoverer
Unknown   
Unknown   

Etymology
From Concha (Latin)+ Coquina(Spanish) +conch(English)= Couquina (mid 19th century)   
From German Tachylite, from tachy- + Greek lutos soluble, melting   

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

Texture >>
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Definition of Coquina and Tachylite

The general Coquina and Tachylite 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, Tachylite is a vitreous form of basaltic volcanic glass. This glass is formed naturally by the rapid cooling of molten basalt. Along with definition of Coquina and Tachylite, get to know about Properties of Coquina and Tachylite. Get to know more information about Coquina and Tachylite origin and discoverer, etymology and class.

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History of Coquina and Tachylite

The history of Coquina and Tachylite 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 Tachylite Origin and Discoverer

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

Etymology of Coquina and Tachylite

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

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