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Arkose and Argillite Definition


Argillite and Arkose Definition


Definition

Definition
Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar  
Argillites are highly compact sedimentary or slightly metamorphosed rocks that consist largely or wholly of particles of clay or silt but lack the fissility of shale or the cleavage characteristic of slate  

History
  
  

Origin
France  
-  

Discoverer
Alexandre Brongniart  
Unknown  

Etymology
From Auvergne region of France used by a French geologist Alexandre Brongniart in 1826 who applied this term to some feldspathic sandstones  
From Latin Argilla (clay) and -ite in English which became agrilla+ -ite = Argillite  

Class
Sedimentary Rocks  
Sedimentary Rocks  

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

Family
  
  

Group
-  
-  

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

Texture >>
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Definition of Arkose and Argillite

The general Arkose and Argillite definition can be stated as: Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar. On the other hand, Argillites are highly compact sedimentary or slightly metamorphosed rocks that consist largely or wholly of particles of clay or silt but lack the fissility of shale or the cleavage characteristic of slate. Along with definition of Arkose and Argillite, get to know about Properties of Arkose and Argillite. Get to know more information about Arkose and Argillite origin and discoverer, etymology and class.

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History of Arkose and Argillite

The history of Arkose and Argillite 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.

Arkose and Argillite Origin and Discoverer

Arkose and Argillite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Arkose and Argillite. In this section, you will know about Arkose and Argillite Origin and Discoverer. Origin of Arkose is France whereas Origin of Argillite is . It is interesting to know the name of Arkose and Argillite discoverer. The Discoverer of Arkose is Alexandre Brongniart and the discoverer of Argillite is Unknown.

Etymology of Arkose and Argillite

Along with Arkose and Argillite definition, know more about the etymology of Arkose and Argillite. Etymology of Arkose and Argillite gives information about origin and formation of a particular rock. Know more about Formation of Arkose and Formation of Argillite. The etymology of Arkose is From Auvergne region of France used by a French geologist Alexandre Brongniart in 1826 who applied this term to some feldspathic sandstones while that of Argillite is From Auvergne region of France used by a French geologist Alexandre Brongniart in 1826 who applied this term to some feldspathic sandstones. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Arkose and Argillite belong to Sedimentary Rocks. The sub-class, group and other categories of Arkose and Argillite are listed below.

For Arkose,

For Argillite,

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