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Comendite and Pseudotachylite Definition


Pseudotachylite and Comendite Definition


Definition

Definition
Comendite is a hard, peralkaline igneous rock, a type of light blue grey rhyolite   
Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.   

History
  
  

Origin
Italy   
USA   

Discoverer
Unknown   
Unknown   

Etymology
Comendite derives its name from the area of Le Commende on San Pietro Island in Italy   
From pseudo- +‎ tachylite, a glassy rock generated by frictional heat within faults.   

Class
Igneous Rocks   
Metamorphic Rocks   

Sub-Class
Durable Rock, Hard Rock   
Durable Rock, Hard Rock   

Family
  
  

Group
Volcanic   
Not Applicable   

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

Texture >>
<< Summary

Definition of Comendite and Pseudotachylite

The general Comendite and Pseudotachylite definition can be stated as: Comendite is a hard, peralkaline igneous rock, a type of light blue grey rhyolite. 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 Comendite and Pseudotachylite, get to know about Properties of Comendite and Pseudotachylite. Get to know more information about Comendite and Pseudotachylite origin and discoverer, etymology and class.

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History of Comendite and Pseudotachylite

The history of Comendite 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.

Comendite and Pseudotachylite Origin and Discoverer

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

Etymology of Comendite and Pseudotachylite

Along with Comendite and Pseudotachylite definition, know more about the etymology of Comendite and Pseudotachylite. Etymology of Comendite and Pseudotachylite gives information about origin and formation of a particular rock. Know more about Formation of Comendite and Formation of Pseudotachylite. The etymology of Comendite is Comendite derives its name from the area of Le Commende on San Pietro Island in Italy while that of Pseudotachylite is Comendite derives its name from the area of Le Commende on San Pietro Island in Italy. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Comendite belongs to Igneous Rocks while Pseudotachylite belongs to Metamorphic Rocks. The sub-class, group and other categories of Comendite and Pseudotachylite are listed below.

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