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Basalt and Greywacke Definition


Greywacke and Basalt Definition


Definition

Definition
Basalt is a common extrusive igneous rock formed by the rapid cooling of basaltic lava exposed at or very near the surface of Earth  
Greywacke is defined as a dark coarse-grained sandstone rock which contains more than 15 per cent clay  

History
  
  

Origin
Egypt  
-  

Discoverer
Georgius Agricola  
Unknown  

Etymology
From Late Latin Basaltes (variant of basanites ), very hard stone, which was imported from Ancient Greek Basanites  
From German Grauwacke, from grau grey + wacke  

Class
Igneous Rocks  
Sedimentary Rocks  

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

Family
  
  

Group
Volcanic  
-  

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

Texture >>
<< Summary

Definition of Basalt and Greywacke

The general Basalt and Greywacke definition can be stated as: Basalt is a common extrusive igneous rock formed by the rapid cooling of basaltic lava exposed at or very near the surface of Earth. On the other hand, Greywacke is defined as a dark coarse-grained sandstone rock which contains more than 15 per cent clay. Along with definition of Basalt and Greywacke, get to know about Properties of Basalt and Greywacke. Get to know more information about Basalt and Greywacke origin and discoverer, etymology and class.

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History of Basalt and Greywacke

The history of Basalt and Greywacke 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.

Basalt and Greywacke Origin and Discoverer

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

Etymology of Basalt and Greywacke

Along with Basalt and Greywacke definition, know more about the etymology of Basalt and Greywacke. Etymology of Basalt and Greywacke gives information about origin and formation of a particular rock. Know more about Formation of Basalt and Formation of Greywacke. The etymology of Basalt is From Late Latin Basaltes (variant of basanites ), very hard stone, which was imported from Ancient Greek Basanites while that of Greywacke is From Late Latin Basaltes (variant of basanites ), very hard stone, which was imported from Ancient Greek Basanites. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Basalt belongs to Igneous Rocks while Greywacke belongs to Sedimentary Rocks. The sub-class, group and other categories of Basalt and Greywacke are listed below.

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