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Hornfels and Shonkinite Definition


Shonkinite 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   
Shonkinite is a rare, dark-coloured and intrusive igneous rock which contains augite and orthoclase feldspar as its primary constituents   

History
  
  

Origin
New Zealand   
USA   

Discoverer
Unknown   
Unknown   

Etymology
From German which means hornstone   
From the name of Shonkin Sag ranges in the Highwood Mountains of north-central Montana, US   

Class
Metamorphic Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Soft Rock   
Durable Rock, Medium Hardness Rock   

Family
  
  

Group
Not Applicable   
Not Applicable   

Other Categories
Fine Grained Rock, Opaque Rock   
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock   

Texture >>
<< Summary

Definition of Hornfels and Shonkinite

The general Hornfels and Shonkinite 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, Shonkinite is a rare, dark-coloured and intrusive igneous rock which contains augite and orthoclase feldspar as its primary constituents. Along with definition of Hornfels and Shonkinite, get to know about Properties of Hornfels and Shonkinite. Get to know more information about Hornfels and Shonkinite origin and discoverer, etymology and class.

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History of Hornfels and Shonkinite

The history of Hornfels and Shonkinite 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 Shonkinite Origin and Discoverer

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

Etymology of Hornfels and Shonkinite

Along with Hornfels and Shonkinite definition, know more about the etymology of Hornfels and Shonkinite. Etymology of Hornfels and Shonkinite gives information about origin and formation of a particular rock. Know more about Formation of Hornfels and Formation of Shonkinite. The etymology of Hornfels is From German which means hornstone while that of Shonkinite 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 Shonkinite belongs to Igneous Rocks. The sub-class, group and other categories of Hornfels and Shonkinite are listed below.

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