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Pseudotachylite and Shonkinite Definition


Shonkinite and Pseudotachylite Definition


Definition

Definition
Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.   
Shonkinite is a rare, dark-coloured and intrusive igneous rock which contains augite and orthoclase feldspar as its primary constituents   

History
  
  

Origin
USA   
USA   

Discoverer
Unknown   
Unknown   

Etymology
From pseudo- +‎ tachylite, a glassy rock generated by frictional heat within faults.   
From the name of Shonkin Sag ranges in the Highwood Mountains of north-central Montana, US   

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   
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock   

Texture >>
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Definition of Pseudotachylite and Shonkinite

The general Pseudotachylite and Shonkinite 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, Shonkinite is a rare, dark-coloured and intrusive igneous rock which contains augite and orthoclase feldspar as its primary constituents. Along with definition of Pseudotachylite and Shonkinite, get to know about Properties of Pseudotachylite and Shonkinite. Get to know more information about Pseudotachylite and Shonkinite origin and discoverer, etymology and class.

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History of Pseudotachylite and Shonkinite

The history of Pseudotachylite and Shonkinite 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 Shonkinite Origin and Discoverer

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

Etymology of Pseudotachylite and Shonkinite

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

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