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Greywacke and Novaculite Definition


Novaculite and Greywacke Definition


Definition

Definition
Greywacke is defined as a dark coarse-grained sandstone rock which contains more than 15 per cent clay   
Novaculite is a dense, hard, fine-grained, siliceous metamorpic rock which is a type of chert that breaks with conchoidal fracture   

History
  
  

Discoverer
Unknown   
Unknown   

Etymology
From German Grauwacke, from grau grey + wacke   
From Latin word novacula, for razor stone   

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   
Fine Grained Rock, Opaque Rock   

Texture >>
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Definition of Greywacke and Novaculite

The general Greywacke and Novaculite 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, Novaculite is a dense, hard, fine-grained, siliceous metamorpic rock which is a type of chert that breaks with conchoidal fracture. Along with definition of Greywacke and Novaculite, get to know about Properties of Greywacke and Novaculite. Get to know more information about Greywacke and Novaculite origin and discoverer, etymology and class.

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History of Greywacke and Novaculite

The history of Greywacke and Novaculite 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 Novaculite Origin and Discoverer

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

Etymology of Greywacke and Novaculite

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

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