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Basalt
Basalt

Obsidian
Obsidian



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Basalt and Obsidian Definition

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Definition

Definition

Origin

Discoverer

Etymology

Class

Sub-Class

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Other Categories

 
Basalt is a common extrusive igneous rock formed by the rapid cooling of basaltic lava exposed at or very near the surface of Earth
Egypt
Georgius Agricola
From Late Latin Basaltes (variant of basanites ), very hard stone, which was imported from Ancient Greek Basanites
Igneous Rocks
Durable Rock, Medium Hardness Rock
Volcanic
Fine Grained Rock, Opaque Rock
 
Obsidian is a naturally occurring volcanic glass formed as an extrusive igneous rock. It is produced when felsic lava extruded from a volcano cools rapidly with minimum crystal growth
Ethiopia
Obsius
From Latin obsidianus, misprint of Obsianus (lapis) (stone) of Obsius
Igneous Rocks
Durable Rock, Medium Hardness Rock
Volcanic
Opaque Rock

Definition of Basalt and Obsidian

The general Basalt and Obsidian definition can be stated as: . On the other hand, . Along with definition of Basalt and Obsidian, get to know about Basalt vs Obsidian. Get to know more information about Basalt and Obsidian origin and discoverer, etymology and class.

History of Basalt and Obsidian

The history of Basalt and Obsidian 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 Obsidian Origin and Discoverer

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

Etymology of Basalt and Obsidian

Along with Basalt and Obsidian definition, know more about the etymology of Basalt and Obsidian. Etymology of Basalt and Obsidian gives information about origin and formation of a particular rock. Know more about Formation of Basalt and Formation of Obsidian. The etymology of Basalt is while that of Obsidian is . The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Basalt and Obsidian belong to . The sub-class, group and other categories of Basalt and Obsidian are listed below.

For Basalt,

  • Sub-class:
  • Group:
  • Other Categories:

For Obsidian,

  • Sub-class:
  • Group:
  • Other Categories: