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Essexite  and Hornfels Definition


Hornfels and Essexite  Definition


Definition

Definition
Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock   
Hornfels is a metamorphic rock formed by the contact between mudstone or other clay rich rock, and a hot igneous body, and represents a heat altered equivalent of the original rock   

History
  
  

Origin
USA   
New Zealand   

Discoverer
Unknown   
Unknown   

Etymology
From the locality in Essex County, Massachusetts,US   
From German which means hornstone   

Class
Igneous Rocks   
Metamorphic Rocks   

Sub-Class
Durable Rock, Hard Rock   
Durable Rock, Soft Rock   

Family
  
  

Group
Plutonic   
Not Applicable   

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

Texture >>
<< Summary

Definition of Essexite  and Hornfels

The general Essexite  and Hornfels 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, Hornfels is a metamorphic rock formed by the contact between mudstone or other clay rich rock, and a hot igneous body, and represents a heat altered equivalent of the original rock. Along with definition of Essexite  and Hornfels, get to know about Properties of Essexite  and Hornfels. Get to know more information about Essexite  and Hornfels origin and discoverer, etymology and class.

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History of Essexite  and Hornfels

The history of Essexite  and Hornfels 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 Hornfels Origin and Discoverer

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

Etymology of Essexite  and Hornfels

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

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For Hornfels,

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