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Dunite
Dunite

Pseudotachylite
Pseudotachylite



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Dunite and Pseudotachylite Definition

1 Definition
1.1 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.
1.2 History
1.2.1 Origin
New Zealand
USA
1.2.2 Discoverer
Ferdinand von Hochstetter
Unknown
1.3 Etymology
From the name of Dun Mountain, New Zealand, + -ite1
From pseudo- +‎ tachylite, a glassy rock generated by frictional heat within faults.
1.4 Class
Igneous Rocks
Metamorphic Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
1.5 Family
1.5.1 Group
Plutonic
Not Applicable
1.6 Other Categories
Coarse Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

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.

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.

For Dunite,

  • Sub-class: Durable Rock and Medium Hardness Rock
  • Group: Plutonic
  • Other Categories: Coarse grained rock and Opaque rock

For Pseudotachylite,

  • Sub-class: Durable Rock and Hard Rock
  • Group: Not applicable
  • Other Categories: Fine grained rock and Opaque rock