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Basalt and Chert Definition


Chert 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   
Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture   

History
  
  

Origin
Egypt   
Unknown   

Discoverer
Georgius Agricola   
Unknown   

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

Class
Igneous Rocks   
Sedimentary Rocks   

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

Family
  
  

Group
Volcanic   
Not Applicable   

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

Texture >>
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Definition of Basalt and Chert

The general Basalt and Chert 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, Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture. Along with definition of Basalt and Chert, get to know about Properties of Basalt and Chert. Get to know more information about Basalt and Chert origin and discoverer, etymology and class.

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History of Basalt and Chert

The history of Basalt and Chert 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 Chert Origin and Discoverer

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

Etymology of Basalt and Chert

Along with Basalt and Chert definition, know more about the etymology of Basalt and Chert. Etymology of Basalt and Chert gives information about origin and formation of a particular rock. Know more about Formation of Basalt and Formation of Chert. 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 Chert 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 Chert belongs to Sedimentary Rocks. The sub-class, group and other categories of Basalt and Chert are listed below.

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