Basalt and Chert 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
  
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.
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.
For Basalt,
- Sub-class: Durable Rock and Medium Hardness Rock
- Group: Volcanic
- Other Categories: Fine grained rock and Opaque rock
For Chert,
- Sub-class: Durable Rock and Hard Rock
- Group: Not applicable
- Other Categories: Fine grained rock and Opaque rock