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Pseudotachylite and Phonolite Definition


Phonolite and Pseudotachylite Definition


Definition

Definition
Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.   
Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic   

History
  
  

Origin
USA   
Unknown   

Discoverer
Unknown   
Unknown   

Etymology
From pseudo- +‎ tachylite, a glassy rock generated by frictional heat within faults.   
From the Greek meaning sounding stone because of the metallic sound it produces if an unfractured plate is hit   

Class
Metamorphic Rocks   
Igneous 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   
Fine Grained Rock, Opaque Rock   

Texture >>
<< Summary

Definition of Pseudotachylite and Phonolite

The general Pseudotachylite and Phonolite 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, Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic. Along with definition of Pseudotachylite and Phonolite, get to know about Properties of Pseudotachylite and Phonolite. Get to know more information about Pseudotachylite and Phonolite origin and discoverer, etymology and class.

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History of Pseudotachylite and Phonolite

The history of Pseudotachylite and Phonolite 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 Phonolite Origin and Discoverer

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

Etymology of Pseudotachylite and Phonolite

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

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