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Pseudotachylite and Schist Definition


Schist and Pseudotachylite Definition


Definition

Definition
Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.   
Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation   

History
  
  

Origin
USA   
Unknown   

Discoverer
Unknown   
Unknown   

Etymology
From pseudo- +‎ tachylite, a glassy rock generated by frictional heat within faults.   
From French schiste, Greek skhistos i.e. split   

Class
Metamorphic Rocks   
Metamorphic Rocks   

Sub-Class
Durable Rock, Hard Rock   
Durable Rock, Medium Hardness Rock   

Family
  
  

Group
Not Applicable   
Not Applicable   

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

Texture >>
<< Summary

Definition of Pseudotachylite and Schist

The general Pseudotachylite and Schist 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, Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation. Along with definition of Pseudotachylite and Schist, get to know about Properties of Pseudotachylite and Schist. Get to know more information about Pseudotachylite and Schist origin and discoverer, etymology and class.

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History of Pseudotachylite and Schist

The history of Pseudotachylite and Schist 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 Schist Origin and Discoverer

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

Etymology of Pseudotachylite and Schist

Along with Pseudotachylite and Schist definition, know more about the etymology of Pseudotachylite and Schist. Etymology of Pseudotachylite and Schist gives information about origin and formation of a particular rock. Know more about Formation of Pseudotachylite and Formation of Schist. The etymology of Pseudotachylite is From pseudo- +‎ tachylite, a glassy rock generated by frictional heat within faults. while that of Schist 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 and Schist belong to Metamorphic Rocks. The sub-class, group and other categories of Pseudotachylite and Schist are listed below.

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