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Hornfels and Tephrite Definition


Tephrite 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   
Tephrite is an aphanitic to porphyritic textured, volcanic igneous rock   

History
  
  

Origin
New Zealand   
Germany   

Discoverer
Unknown   
Van Tooren   

Etymology
From German which means hornstone   
From Greek tephra, ashes from Indo-European base, to burn   

Class
Metamorphic Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Volcanic   

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

Texture >>
<< Summary

Definition of Hornfels and Tephrite

The general Hornfels and Tephrite 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, Tephrite is an aphanitic to porphyritic textured, volcanic igneous rock. Along with definition of Hornfels and Tephrite, get to know about Properties of Hornfels and Tephrite. Get to know more information about Hornfels and Tephrite origin and discoverer, etymology and class.

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History of Hornfels and Tephrite

The history of Hornfels and Tephrite 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 Tephrite Origin and Discoverer

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

Etymology of Hornfels and Tephrite

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

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For Tephrite,

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