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Essexite  and Pseudotachylite Definition


Pseudotachylite and Essexite  Definition


Definition

Definition
Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock   
Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.   

History
  
  

Origin
USA   
USA   

Discoverer
Unknown   
Unknown   

Etymology
From the locality in Essex County, Massachusetts,US   
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
Plutonic   
Not Applicable   

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

Texture >>
<< Summary

Definition of Essexite  and Pseudotachylite

The general Essexite  and Pseudotachylite definition can be stated as: Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock. 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 Essexite  and Pseudotachylite, get to know about Properties of Essexite  and Pseudotachylite. Get to know more information about Essexite  and Pseudotachylite origin and discoverer, etymology and class.

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History of Essexite  and Pseudotachylite

The history of Essexite  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.

Essexite  and Pseudotachylite Origin and Discoverer

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

Etymology of Essexite  and Pseudotachylite

Along with Essexite  and Pseudotachylite definition, know more about the etymology of Essexite  and Pseudotachylite. Etymology of Essexite  and Pseudotachylite gives information about origin and formation of a particular rock. Know more about Formation of Essexite  and Formation of Pseudotachylite. The etymology of Essexite  is From the locality in Essex County, Massachusetts,US while that of Pseudotachylite is From the locality in Essex County, Massachusetts,US. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Essexite  belongs to Igneous Rocks while Pseudotachylite belongs to Metamorphic Rocks. The sub-class, group and other categories of Essexite  and Pseudotachylite are listed below.

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