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Greywacke and Scoria Definition


Scoria and Greywacke Definition


Definition

Definition
Greywacke is defined as a dark coarse-grained sandstone rock which contains more than 15 per cent clay   
Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities   

History
  
  

Discoverer
Unknown   
Unknown   

Etymology
From German Grauwacke, from grau grey + wacke   
From late Middle English (denoting slag from molten metal), from Greek skōria refuse, from skōr dung   

Class
Sedimentary Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Volcanic   

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

Texture >>
<< Summary

Definition of Greywacke and Scoria

The general Greywacke and Scoria 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, Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities. Along with definition of Greywacke and Scoria, get to know about Properties of Greywacke and Scoria. Get to know more information about Greywacke and Scoria origin and discoverer, etymology and class.

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History of Greywacke and Scoria

The history of Greywacke and Scoria 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 Scoria Origin and Discoverer

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

Etymology of Greywacke and Scoria

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

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