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Greywacke and Jasperoid Definition


Jasperoid and Greywacke Definition


Definition

Definition
Greywacke is defined as a dark coarse-grained sandstone rock which contains more than 15 per cent clay   
Jasperoid is a rare, peculiar type of metasomatic alteration of rocks   

History
  
  

Origin
Unknown   
USA   

Discoverer
Unknown   
Unknown   

Etymology
From German Grauwacke, from grau grey + wacke   
From silica, the main mineral content of Jasperoid   

Class
Sedimentary Rocks   
Sedimentary Rocks   

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

Family
  
  

Group
Not Applicable   
Not Applicable   

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

Texture >>
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Definition of Greywacke and Jasperoid

The general Greywacke and Jasperoid 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, Jasperoid is a rare, peculiar type of metasomatic alteration of rocks. Along with definition of Greywacke and Jasperoid, get to know about Properties of Greywacke and Jasperoid. Get to know more information about Greywacke and Jasperoid origin and discoverer, etymology and class.

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History of Greywacke and Jasperoid

The history of Greywacke and Jasperoid 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 Jasperoid Origin and Discoverer

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

Etymology of Greywacke and Jasperoid

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

For Greywacke,

For Jasperoid,

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