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Shale and Arkose Definition


Arkose 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   
Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar   

History
  
  

Origin
Unknown   
France   

Discoverer
Unknown   
Alexandre Brongniart   

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 Auvergne region of France used by a French geologist Alexandre Brongniart in 1826 who applied this term to some feldspathic sandstones   

Class
Sedimentary Rocks   
Sedimentary Rocks   

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

Family
  
  

Group
Not Applicable   
Not Applicable   

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

Texture >>
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Definition of Shale and Arkose

The general Shale and Arkose 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, Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar. Along with definition of Shale and Arkose, get to know about Properties of Shale and Arkose. Get to know more information about Shale and Arkose origin and discoverer, etymology and class.

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History of Shale and Arkose

The history of Shale and Arkose 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 Arkose Origin and Discoverer

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

Etymology of Shale and Arkose

Along with Shale and Arkose definition, know more about the etymology of Shale and Arkose. Etymology of Shale and Arkose gives information about origin and formation of a particular rock. Know more about Formation of Shale and Formation of Arkose. 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 Arkose 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 Arkose belong to Sedimentary Rocks. The sub-class, group and other categories of Shale and Arkose are listed below.

For Shale,

For Arkose,

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