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Pseudotachylite and Syenite Definition


Syenite and Pseudotachylite Definition


Definition

Definition
Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.   
Syenite is a coarse-grained igneous rock which is composed mainly of alkali feldspar and various ferromagnesian minerals   

History
  
  

Origin
USA   
Unknown   

Discoverer
Unknown   
Unknown   

Etymology
From pseudo- +‎ tachylite, a glassy rock generated by frictional heat within faults.   
From French syénite, from Latin Syenites (lapis ) (stone) of Syene   

Class
Metamorphic Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Plutonic   

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

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<< Summary

Definition of Pseudotachylite and Syenite

The general Pseudotachylite and Syenite 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, Syenite is a coarse-grained igneous rock which is composed mainly of alkali feldspar and various ferromagnesian minerals. Along with definition of Pseudotachylite and Syenite, get to know about Properties of Pseudotachylite and Syenite. Get to know more information about Pseudotachylite and Syenite origin and discoverer, etymology and class.

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History of Pseudotachylite and Syenite

The history of Pseudotachylite and Syenite 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 Syenite Origin and Discoverer

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

Etymology of Pseudotachylite and Syenite

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

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