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Teschenite and Porphyry Definition


Porphyry and Teschenite Definition


Definition

Definition
Teschenite is coarse- to fine-grained, dark-coloured intrusive igneous rock that usually occurs in sills, dikes and irregular masses and is always altered to some extent   
Porphyry is a reddish-brown to purple igneous rock containing large phenocrysts of various minerals embedded in a fine-grained matrix   

History
  
  

Origin
Scotland   
Egypt   

Discoverer
Unknown   
Unknown   

Etymology
From its occurrence near Teschen. now known as Cieszyn, Pol., Scotland   
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
Plutonic   
Plutonic   

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

Texture >>
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Definition of Teschenite and Porphyry

The general Teschenite and Porphyry definition can be stated as: Teschenite is coarse- to fine-grained, dark-coloured intrusive igneous rock that usually occurs in sills, dikes and irregular masses and is always altered to some extent. 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 Teschenite and Porphyry, get to know about Properties of Teschenite and Porphyry. Get to know more information about Teschenite and Porphyry origin and discoverer, etymology and class.

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History of Teschenite and Porphyry

The history of Teschenite 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.

Teschenite and Porphyry Origin and Discoverer

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

Etymology of Teschenite and Porphyry

Along with Teschenite and Porphyry definition, know more about the etymology of Teschenite and Porphyry. Etymology of Teschenite and Porphyry gives information about origin and formation of a particular rock. Know more about Formation of Teschenite and Formation of Porphyry. The etymology of Teschenite is From its occurrence near Teschen. now known as Cieszyn, Pol., Scotland while that of Porphyry is From its occurrence near Teschen. now known as Cieszyn, Pol., Scotland. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Teschenite and Porphyry belong to Igneous Rocks. The sub-class, group and other categories of Teschenite and Porphyry are listed below.

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