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Pseudotachylite and Arkose Definition


Arkose and Pseudotachylite Definition


Definition

Definition
Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.   
Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar   

History
  
  

Origin
USA   
France   

Discoverer
Unknown   
Alexandre Brongniart   

Etymology
From pseudo- +‎ tachylite, a glassy rock generated by frictional heat within faults.   
From Auvergne region of France used by a French geologist Alexandre Brongniart in 1826 who applied this term to some feldspathic sandstones   

Class
Metamorphic Rocks   
Sedimentary Rocks   

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

Family
  
  

Group
Not Applicable   
Not Applicable   

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

Texture >>
<< Summary

Definition of Pseudotachylite and Arkose

The general Pseudotachylite and Arkose definition can be stated as: Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.. On the other hand, Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar. Along with definition of Pseudotachylite and Arkose, get to know about Properties of Pseudotachylite and Arkose. Get to know more information about Pseudotachylite and Arkose origin and discoverer, etymology and class.

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History of Pseudotachylite and Arkose

The history of Pseudotachylite and Arkose 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.

Pseudotachylite and Arkose Origin and Discoverer

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

Etymology of Pseudotachylite and Arkose

Along with Pseudotachylite and Arkose definition, know more about the etymology of Pseudotachylite and Arkose. Etymology of Pseudotachylite and Arkose gives information about origin and formation of a particular rock. Know more about Formation of Pseudotachylite and Formation of Arkose. The etymology of Pseudotachylite is From pseudo- +‎ tachylite, a glassy rock generated by frictional heat within faults. while that of Arkose is From pseudo- +‎ tachylite, a glassy rock generated by frictional heat within faults.. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Pseudotachylite belongs to Metamorphic Rocks while Arkose belongs to Sedimentary Rocks. The sub-class, group and other categories of Pseudotachylite and Arkose are listed below.

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