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Pseudotachylite and Adakite Definition


Adakite and Pseudotachylite Definition


Definition

Definition
Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.   
Adakite is an intermediate to felsic volcanic rock that has geochemical characteristics of magma which is said to be formed by partial melting of altered basalt that is subducted below volcanic arcs   

History
  
  

Origin
USA   
Adak, Aleutian Islands   

Discoverer
Unknown   
Defant and Drummond   

Etymology
From pseudo- +‎ tachylite, a glassy rock generated by frictional heat within faults.   
From Adak, Aleutian Islands   

Class
Metamorphic Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Volcanic   

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

Texture >>
<< Summary

Definition of Pseudotachylite and Adakite

The general Pseudotachylite and Adakite 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, Adakite is an intermediate to felsic volcanic rock that has geochemical characteristics of magma which is said to be formed by partial melting of altered basalt that is subducted below volcanic arcs. Along with definition of Pseudotachylite and Adakite, get to know about Properties of Pseudotachylite and Adakite. Get to know more information about Pseudotachylite and Adakite origin and discoverer, etymology and class.

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History of Pseudotachylite and Adakite

The history of Pseudotachylite and Adakite 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 Adakite Origin and Discoverer

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

Etymology of Pseudotachylite and Adakite

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

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