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Dunite and Pseudotachylite Definition


Pseudotachylite and Dunite Definition


Definition

Definition
Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine   
Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.   

History
  
  

Origin
New Zealand   
USA   

Discoverer
Ferdinand von Hochstetter   
Unknown   

Etymology
From the name of Dun Mountain, New Zealand, + -ite1   
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
Plutonic   
Not Applicable   

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

Texture >>
<< Summary

Definition of Dunite and Pseudotachylite

The general Dunite and Pseudotachylite definition can be stated as: Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine. 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 Dunite and Pseudotachylite, get to know about Properties of Dunite and Pseudotachylite. Get to know more information about Dunite and Pseudotachylite origin and discoverer, etymology and class.

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History of Dunite and Pseudotachylite

The history of Dunite 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.

Dunite and Pseudotachylite Origin and Discoverer

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

Etymology of Dunite and Pseudotachylite

Along with Dunite and Pseudotachylite definition, know more about the etymology of Dunite and Pseudotachylite. Etymology of Dunite and Pseudotachylite gives information about origin and formation of a particular rock. Know more about Formation of Dunite and Formation of Pseudotachylite. The etymology of Dunite is From the name of Dun Mountain, New Zealand, + -ite1 while that of Pseudotachylite is From the name of Dun Mountain, New Zealand, + -ite1. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Dunite belongs to Igneous Rocks while Pseudotachylite belongs to Metamorphic Rocks. The sub-class, group and other categories of Dunite and Pseudotachylite are listed below.

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