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Shonkinite and Pseudotachylite Definition


Pseudotachylite and Shonkinite Definition


Definition

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

History
  
  

Origin
USA   
USA   

Discoverer
Unknown   
Unknown   

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

Class
Igneous Rocks   
Metamorphic Rocks   

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

Family
  
  

Group
Not Applicable   
Not Applicable   

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

Texture >>
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Definition of Shonkinite and Pseudotachylite

The general Shonkinite and Pseudotachylite definition can be stated as: Shonkinite is a rare, dark-coloured and intrusive igneous rock which contains augite and orthoclase feldspar as its primary constituents. On the other hand, Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.. Along with definition of Shonkinite and Pseudotachylite, get to know about Properties of Shonkinite and Pseudotachylite. Get to know more information about Shonkinite and Pseudotachylite origin and discoverer, etymology and class.

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History of Shonkinite and Pseudotachylite

The history of Shonkinite and Pseudotachylite 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.

Shonkinite and Pseudotachylite Origin and Discoverer

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

Etymology of Shonkinite and Pseudotachylite

Along with Shonkinite and Pseudotachylite definition, know more about the etymology of Shonkinite and Pseudotachylite. Etymology of Shonkinite and Pseudotachylite gives information about origin and formation of a particular rock. Know more about Formation of Shonkinite and Formation of Pseudotachylite. The etymology of Shonkinite is From the name of Shonkin Sag ranges in the Highwood Mountains of north-central Montana, US while that of Pseudotachylite is From the name of Shonkin Sag ranges in the Highwood Mountains of north-central Montana, US. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Shonkinite belongs to Igneous Rocks while Pseudotachylite belongs to Metamorphic Rocks. The sub-class, group and other categories of Shonkinite and Pseudotachylite are listed below.

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