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Obsidian
Obsidian

Chert
Chert



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Obsidian
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Chert

Obsidian and Chert Definition

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Definition

Definition

Origin

Discoverer

Etymology

Class

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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
 
Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture
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Unknown
From flint-like quartz, 1670s, of unknown origin- a local term, which has been taken into geological use
Sedimentary Rocks
Durable Rock, Hard Rock
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Fine Grained Rock, Opaque Rock

Definition of Obsidian and Chert

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

History of Obsidian and Chert

The history of Obsidian 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.

Obsidian and Chert Origin and Discoverer

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

Etymology of Obsidian and Chert

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

For Obsidian,

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

For Chert,

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