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Hornfels and Essexite  Definition


Essexite  and Hornfels Definition


Definition

Definition
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   
Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock   

History
  
  

Origin
New Zealand   
USA   

Discoverer
Unknown   
Unknown   

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

Class
Metamorphic Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Plutonic   

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

Texture >>
<< Summary

Definition of Hornfels and Essexite 

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

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History of Hornfels and Essexite 

The history of Hornfels and Essexite  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.

Hornfels and Essexite  Origin and Discoverer

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

Etymology of Hornfels and Essexite 

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

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