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Tephrite and Hornfels Definition


Hornfels and Tephrite Definition


Definition

Definition
Tephrite is an aphanitic to porphyritic textured, volcanic igneous 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
Germany   
New Zealand   

Discoverer
Van Tooren   
Unknown   

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

Class
Igneous Rocks   
Metamorphic Rocks   

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

Family
  
  

Group
Volcanic   
Not Applicable   

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

Texture >>
<< Summary

Definition of Tephrite and Hornfels

The general Tephrite and Hornfels definition can be stated as: Tephrite is an aphanitic to porphyritic textured, volcanic igneous 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 Tephrite and Hornfels, get to know about Properties of Tephrite and Hornfels. Get to know more information about Tephrite and Hornfels origin and discoverer, etymology and class.

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History of Tephrite and Hornfels

The history of Tephrite 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.

Tephrite and Hornfels Origin and Discoverer

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

Etymology of Tephrite and Hornfels

Along with Tephrite and Hornfels definition, know more about the etymology of Tephrite and Hornfels. Etymology of Tephrite and Hornfels gives information about origin and formation of a particular rock. Know more about Formation of Tephrite and Formation of Hornfels. The etymology of Tephrite is From Greek tephra, ashes from Indo-European base, to burn while that of Hornfels is From Greek tephra, ashes from Indo-European base, to burn. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Tephrite belongs to Igneous Rocks while Hornfels belongs to Metamorphic Rocks. The sub-class, group and other categories of Tephrite and Hornfels are listed below.

For Tephrite,

For Hornfels,

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