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Chert and Basalt Definition


Basalt and Chert Definition


Definition

Definition
Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture  
Basalt is a common extrusive igneous rock formed by the rapid cooling of basaltic lava exposed at or very near the surface of Earth  

History
  
  

Origin
-  
Egypt  

Discoverer
Unknown  
Georgius Agricola  

Etymology
From flint-like quartz, 1670s, of unknown origin- a local term, which has been taken into geological use  
From Late Latin Basaltes (variant of basanites ), very hard stone, which was imported from Ancient Greek Basanites  

Class
Sedimentary Rocks  
Igneous Rocks  

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

Family
  
  

Group
-  
Volcanic  

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

Texture >>
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Definition of Chert and Basalt

The general Chert and Basalt definition can be stated as: Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture. On the other hand, Basalt is a common extrusive igneous rock formed by the rapid cooling of basaltic lava exposed at or very near the surface of Earth. Along with definition of Chert and Basalt, get to know about Properties of Chert and Basalt. Get to know more information about Chert and Basalt origin and discoverer, etymology and class.

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History of Chert and Basalt

The history of Chert and Basalt 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.

Chert and Basalt Origin and Discoverer

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

Etymology of Chert and Basalt

Along with Chert and Basalt definition, know more about the etymology of Chert and Basalt. Etymology of Chert and Basalt gives information about origin and formation of a particular rock. Know more about Formation of Chert and Formation of Basalt. The etymology of Chert is From flint-like quartz, 1670s, of unknown origin- a local term, which has been taken into geological use while that of Basalt is From flint-like quartz, 1670s, of unknown origin- a local term, which has been taken into geological use. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Chert belongs to Sedimentary Rocks while Basalt belongs to Igneous Rocks. The sub-class, group and other categories of Chert and Basalt are listed below.

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