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Porphyry and Granite Definition


Granite and Porphyry Definition


Definition

Definition
Porphyry is a reddish-brown to purple igneous rock containing large phenocrysts of various minerals embedded in a fine-grained matrix   
Granite is a very hard, granular, crystalline igneous rock which consists mainly of quartz, mica, and feldspar and is often used as building stone   

History
  
  

Origin
Egypt   
Unknown   

Discoverer
Unknown   
Unknown   

Etymology
From Old French porfire, from Italian porfiro and in some cases directly from Latin porphyrites   
From Italian granito, which means grained rock, from grano grain, and from Latin granum   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Plutonic   
Plutonic   

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

Texture >>
<< Summary

Definition of Porphyry and Granite

The general Porphyry and Granite definition can be stated as: Porphyry is a reddish-brown to purple igneous rock containing large phenocrysts of various minerals embedded in a fine-grained matrix. On the other hand, Granite is a very hard, granular, crystalline igneous rock which consists mainly of quartz, mica, and feldspar and is often used as building stone. Along with definition of Porphyry and Granite, get to know about Properties of Porphyry and Granite. Get to know more information about Porphyry and Granite origin and discoverer, etymology and class.

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History of Porphyry and Granite

The history of Porphyry and Granite 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.

Porphyry and Granite Origin and Discoverer

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

Etymology of Porphyry and Granite

Along with Porphyry and Granite definition, know more about the etymology of Porphyry and Granite. Etymology of Porphyry and Granite gives information about origin and formation of a particular rock. Know more about Formation of Porphyry and Formation of Granite. The etymology of Porphyry is From Old French porfire, from Italian porfiro and in some cases directly from Latin porphyrites while that of Granite is From Old French porfire, from Italian porfiro and in some cases directly from Latin porphyrites. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Porphyry and Granite belong to Igneous Rocks. The sub-class, group and other categories of Porphyry and Granite are listed below.

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