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Nepheline Syenite and Pseudotachylite Definition


Pseudotachylite and Nepheline Syenite Definition


Definition

Definition
Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz   
Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.   

History
  
  

Origin
Unknown   
USA   

Discoverer
Unknown   
Unknown   

Etymology
From origin of a Palaeozoic nepheline syenite from northern Shanxi Province, China   
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
Fine Grained Rock, Opaque Rock   
Fine Grained Rock, Opaque Rock   

Texture >>
<< Summary

Definition of Nepheline Syenite and Pseudotachylite

The general Nepheline Syenite and Pseudotachylite definition can be stated as: Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz. 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 Nepheline Syenite and Pseudotachylite, get to know about Properties of Nepheline Syenite and Pseudotachylite. Get to know more information about Nepheline Syenite and Pseudotachylite origin and discoverer, etymology and class.

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History of Nepheline Syenite and Pseudotachylite

The history of Nepheline Syenite 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.

Nepheline Syenite and Pseudotachylite Origin and Discoverer

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

Etymology of Nepheline Syenite and Pseudotachylite

Along with Nepheline Syenite and Pseudotachylite definition, know more about the etymology of Nepheline Syenite and Pseudotachylite. Etymology of Nepheline Syenite and Pseudotachylite gives information about origin and formation of a particular rock. Know more about Formation of Nepheline Syenite and Formation of Pseudotachylite. The etymology of Nepheline Syenite is From origin of a Palaeozoic nepheline syenite from northern Shanxi Province, China while that of Pseudotachylite is From origin of a Palaeozoic nepheline syenite from northern Shanxi Province, China. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Nepheline Syenite belongs to Igneous Rocks while Pseudotachylite belongs to Metamorphic Rocks. The sub-class, group and other categories of Nepheline Syenite and Pseudotachylite are listed below.

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