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Greywacke and Arkose Definition


Arkose and Greywacke Definition


Definition

Definition
Greywacke is defined as a dark coarse-grained sandstone rock which contains more than 15 per cent clay   
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 Grauwacke, from grau grey + wacke   
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, Hard 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 Greywacke and Arkose

The general Greywacke and Arkose definition can be stated as: Greywacke is defined as a dark coarse-grained sandstone rock which contains more than 15 per cent clay. On the other hand, Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar. Along with definition of Greywacke and Arkose, get to know about Properties of Greywacke and Arkose. Get to know more information about Greywacke and Arkose origin and discoverer, etymology and class.

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History of Greywacke and Arkose

The history of Greywacke 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.

Greywacke and Arkose Origin and Discoverer

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

Etymology of Greywacke and Arkose

Along with Greywacke and Arkose definition, know more about the etymology of Greywacke and Arkose. Etymology of Greywacke and Arkose gives information about origin and formation of a particular rock. Know more about Formation of Greywacke and Formation of Arkose. The etymology of Greywacke is From German Grauwacke, from grau grey + wacke while that of Arkose is From German Grauwacke, from grau grey + wacke. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Greywacke and Arkose belong to Sedimentary Rocks. The sub-class, group and other categories of Greywacke and Arkose are listed below.

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