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Felsite and Porphyry Definition


Porphyry and Felsite Definition


Definition

Definition
Felsite is a very fine grained volcanic rock that may or may not contain larger crystals and light colored rock that typically requires petrographic examination or chemical analysis for more precise definition   
Porphyry is a reddish-brown to purple igneous rock containing large phenocrysts of various minerals embedded in a fine-grained matrix   

History
  
  

Origin
Unknown   
Egypt   

Discoverer
Unknown   
Unknown   

Etymology
From English feldspar and -ite   
From Old French porfire, from Italian porfiro and in some cases directly from Latin porphyrites   

Class
Igneous Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Medium Hardness Rock   
Durable Rock, Hard Rock   

Family
  
  

Group
Volcanic   
Plutonic   

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

Texture >>
<< Summary

Definition of Felsite and Porphyry

The general Felsite and Porphyry definition can be stated as: Felsite is a very fine grained volcanic rock that may or may not contain larger crystals and light colored rock that typically requires petrographic examination or chemical analysis for more precise definition. 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 Felsite and Porphyry, get to know about Properties of Felsite and Porphyry. Get to know more information about Felsite and Porphyry origin and discoverer, etymology and class.

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History of Felsite and Porphyry

The history of Felsite 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.

Felsite and Porphyry Origin and Discoverer

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

Etymology of Felsite and Porphyry

Along with Felsite and Porphyry definition, know more about the etymology of Felsite and Porphyry. Etymology of Felsite and Porphyry gives information about origin and formation of a particular rock. Know more about Formation of Felsite and Formation of Porphyry. The etymology of Felsite is From English feldspar and -ite while that of Porphyry is From English feldspar and -ite. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Felsite and Porphyry belong to Igneous Rocks. The sub-class, group and other categories of Felsite and Porphyry are listed below.

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