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Chert and Pseudotachylite Definition


Pseudotachylite and Chert Definition


Definition

Definition
Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture   
Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.   

History
  
  

Origin
Unknown   
USA   

Discoverer
Unknown   
Unknown   

Etymology
From flint-like quartz, 1670s, of unknown origin- a local term, which has been taken into geological use   
From pseudo- +‎ tachylite, a glassy rock generated by frictional heat within faults.   

Class
Sedimentary Rocks   
Metamorphic Rocks   

Sub-Class
Durable Rock, Hard Rock   
Durable Rock, Hard Rock   

Family
  
  

Group
Not Applicable   
Not Applicable   

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

Texture >>
<< Summary

Definition of Chert and Pseudotachylite

The general Chert and Pseudotachylite 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, Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.. Along with definition of Chert and Pseudotachylite, get to know about Properties of Chert and Pseudotachylite. Get to know more information about Chert and Pseudotachylite origin and discoverer, etymology and class.

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History of Chert and Pseudotachylite

The history of Chert and Pseudotachylite 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 Pseudotachylite Origin and Discoverer

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

Etymology of Chert and Pseudotachylite

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

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