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Pseudotachylite and Scoria Definition


Scoria and Pseudotachylite Definition


Definition

Definition
Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.   
Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities   

History
  
  

Origin
USA   
Unknown   

Discoverer
Unknown   
Unknown   

Etymology
From pseudo- +‎ tachylite, a glassy rock generated by frictional heat within faults.   
From late Middle English (denoting slag from molten metal), from Greek skōria refuse, from skōr dung   

Class
Metamorphic Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Volcanic   

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

Texture >>
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Definition of Pseudotachylite and Scoria

The general Pseudotachylite and Scoria 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, Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities. Along with definition of Pseudotachylite and Scoria, get to know about Properties of Pseudotachylite and Scoria. Get to know more information about Pseudotachylite and Scoria origin and discoverer, etymology and class.

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History of Pseudotachylite and Scoria

The history of Pseudotachylite and Scoria 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 Scoria Origin and Discoverer

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

Etymology of Pseudotachylite and Scoria

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

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