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Tephrite and Porphyry Definition


Porphyry and Tephrite Definition


Definition

Definition
Tephrite is an aphanitic to porphyritic textured, volcanic igneous rock   
Porphyry is a reddish-brown to purple igneous rock containing large phenocrysts of various minerals embedded in a fine-grained matrix   

History
  
  

Origin
Germany   
Egypt   

Discoverer
Van Tooren   
Unknown   

Etymology
From Greek tephra, ashes from Indo-European base, to burn   
From Old French porfire, from Italian porfiro and in some cases directly from Latin porphyrites   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Volcanic   
Plutonic   

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

Texture >>
<< Summary

Definition of Tephrite and Porphyry

The general Tephrite and Porphyry definition can be stated as: Tephrite is an aphanitic to porphyritic textured, volcanic igneous rock. On the other hand, Porphyry is a reddish-brown to purple igneous rock containing large phenocrysts of various minerals embedded in a fine-grained matrix. Along with definition of Tephrite and Porphyry, get to know about Properties of Tephrite and Porphyry. Get to know more information about Tephrite and Porphyry origin and discoverer, etymology and class.

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History of Tephrite and Porphyry

The history of Tephrite and Porphyry 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 Porphyry Origin and Discoverer

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

Etymology of Tephrite and Porphyry

Along with Tephrite and Porphyry definition, know more about the etymology of Tephrite and Porphyry. Etymology of Tephrite and Porphyry gives information about origin and formation of a particular rock. Know more about Formation of Tephrite and Formation of Porphyry. The etymology of Tephrite is From Greek tephra, ashes from Indo-European base, to burn while that of Porphyry 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 and Porphyry belong to Igneous Rocks. The sub-class, group and other categories of Tephrite and Porphyry are listed below.

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For Porphyry,

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