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Argillite and Slate Definition


Slate and Argillite Definition


Definition

Definition
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  
Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism  

History
  
  

Origin
-  
England  

Discoverer
Unknown  
Abraham Gottlob Werner  

Etymology
From Latin Argilla (clay) and -ite in English which became agrilla+ -ite = Argillite  
From Old French esclate, from esclat (French éclat)  

Class
Sedimentary Rocks  
Metamorphic Rocks  

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

Family
  
  

Group
-  
-  

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

Texture >>
<< Summary

Definition of Argillite and Slate

The general Argillite and Slate definition can be stated as: 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. On the other hand, Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism. Along with definition of Argillite and Slate, get to know about Properties of Argillite and Slate. Get to know more information about Argillite and Slate origin and discoverer, etymology and class.

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History of Argillite and Slate

The history of Argillite and Slate 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.

Argillite and Slate Origin and Discoverer

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

Etymology of Argillite and Slate

Along with Argillite and Slate definition, know more about the etymology of Argillite and Slate. Etymology of Argillite and Slate gives information about origin and formation of a particular rock. Know more about Formation of Argillite and Formation of Slate. The etymology of Argillite is From Latin Argilla (clay) and -ite in English which became agrilla+ -ite = Argillite while that of Slate is From Latin Argilla (clay) and -ite in English which became agrilla+ -ite = Argillite. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Argillite belongs to Sedimentary Rocks while Slate belongs to Metamorphic Rocks. The sub-class, group and other categories of Argillite and Slate are listed below.

For Argillite,

For Slate,

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