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Porphyry and Alkali Feldspar Granite Definition


Alkali Feldspar 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   
Alkali feldspar granite, also known as red granite, is a felsic igneous rock and a type of granite rich in the mineral potassium feldspar   

History
  
  

Origin
Egypt   
Unknown   

Discoverer
Unknown   
Unknown   

Etymology
From Old French porfire, from Italian porfiro and in some cases directly from Latin porphyrites   
From mineral fledspar which is present in large quantities in this rock   

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 Alkali Feldspar Granite

The general Porphyry and Alkali Feldspar 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, Alkali feldspar granite, also known as red granite, is a felsic igneous rock and a type of granite rich in the mineral potassium feldspar. Along with definition of Porphyry and Alkali Feldspar Granite, get to know about Properties of Porphyry and Alkali Feldspar Granite. Get to know more information about Porphyry and Alkali Feldspar Granite origin and discoverer, etymology and class.

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History of Porphyry and Alkali Feldspar Granite

The history of Porphyry and Alkali Feldspar 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 Alkali Feldspar Granite Origin and Discoverer

Porphyry and Alkali Feldspar 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 Alkali Feldspar Granite. In this section, you will know about Porphyry and Alkali Feldspar Granite Origin and Discoverer. Origin of Porphyry is Egypt whereas Origin of Alkali Feldspar Granite is Unknown. It is interesting to know the name of Porphyry and Alkali Feldspar Granite discoverer. The discoverer of Porphyry and Alkali Feldspar Granite are Unknown.

Etymology of Porphyry and Alkali Feldspar Granite

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

For Porphyry,

For Alkali Feldspar Granite,

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