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Shoshonite and Pseudotachylite Definition


Pseudotachylite and Shoshonite Definition


Definition

Definition
Shoshonite is a basaltic rock, properly a potassic trachyandesite, composed of olivine, augite and plagioclase phenocrysts in a groundmass with calcic plagioclase and sanidine and some dark-colored volcanic glass   
Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.   

History
  
  

Origin
Wyoming,USA   
USA   

Discoverer
Iddings   
Unknown   

Etymology
From the place of origin called Shoshone riverin Wyoming   
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
Volcanic   
Not Applicable   

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

Texture >>
<< Summary

Definition of Shoshonite and Pseudotachylite

The general Shoshonite and Pseudotachylite definition can be stated as: Shoshonite is a basaltic rock, properly a potassic trachyandesite, composed of olivine, augite and plagioclase phenocrysts in a groundmass with calcic plagioclase and sanidine and some dark-colored volcanic glass. 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 Shoshonite and Pseudotachylite, get to know about Properties of Shoshonite and Pseudotachylite. Get to know more information about Shoshonite and Pseudotachylite origin and discoverer, etymology and class.

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History of Shoshonite and Pseudotachylite

The history of Shoshonite 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.

Shoshonite and Pseudotachylite Origin and Discoverer

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

Etymology of Shoshonite and Pseudotachylite

Along with Shoshonite and Pseudotachylite definition, know more about the etymology of Shoshonite and Pseudotachylite. Etymology of Shoshonite and Pseudotachylite gives information about origin and formation of a particular rock. Know more about Formation of Shoshonite and Formation of Pseudotachylite. The etymology of Shoshonite is From the place of origin called Shoshone riverin Wyoming while that of Pseudotachylite is From the place of origin called Shoshone riverin Wyoming. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Shoshonite belongs to Igneous Rocks while Pseudotachylite belongs to Metamorphic Rocks. The sub-class, group and other categories of Shoshonite and Pseudotachylite are listed below.

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