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Shale and Argillite Definition


Argillite and Shale Definition


Definition

Definition
Shale is a fine-grained sedimentary rock which is formed by the compaction of silt and clay-size mineral particles   
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
  
  

Discoverer
Unknown   
Unknown   

Etymology
From German Schalstein laminated limestone, and Schalgebirge layer of stone in stratified rock. From Old English scealu in its base sense of- thing that divides or separate,   
From Latin Argilla (clay) and -ite in English which became agrilla+ -ite = Argillite   

Class
Sedimentary Rocks   
Sedimentary Rocks   

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

Family
  
  

Group
Not Applicable   
Not Applicable   

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

Texture >>
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Definition of Shale and Argillite

The general Shale and Argillite definition can be stated as: Shale is a fine-grained sedimentary rock which is formed by the compaction of silt and clay-size mineral particles. 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 Shale and Argillite, get to know about Properties of Shale and Argillite. Get to know more information about Shale and Argillite origin and discoverer, etymology and class.

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History of Shale and Argillite

The history of Shale 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.

Shale and Argillite Origin and Discoverer

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

Etymology of Shale and Argillite

Along with Shale and Argillite definition, know more about the etymology of Shale and Argillite. Etymology of Shale and Argillite gives information about origin and formation of a particular rock. Know more about Formation of Shale and Formation of Argillite. The etymology of Shale is From German Schalstein laminated limestone, and Schalgebirge layer of stone in stratified rock. From Old English scealu in its base sense of- thing that divides or separate, while that of Argillite is From German Schalstein laminated limestone, and Schalgebirge layer of stone in stratified rock. From Old English scealu in its base sense of- thing that divides or separate,. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Shale and Argillite belong to Sedimentary Rocks. The sub-class, group and other categories of Shale and Argillite are listed below.

For Shale,

For Argillite,

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