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Porphyry and Sandstone Definition


Sandstone 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   
Sandstone is defined as a rock which is composed of sand-sized grains of various minerals mostly of uniform size and often are smooth and rounded   

History
  
  

Origin
Egypt   
Unknown   

Discoverer
Unknown   
Unknown   

Etymology
From Old French porfire, from Italian porfiro and in some cases directly from Latin porphyrites   
From its composition, sand and stone   

Class
Igneous Rocks   
Sedimentary Rocks   

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

Family
  
  

Group
Plutonic   
Not Applicable   

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

Texture >>
<< Summary

Definition of Porphyry and Sandstone

The general Porphyry and Sandstone 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, Sandstone is defined as a rock which is composed of sand-sized grains of various minerals mostly of uniform size and often are smooth and rounded. Along with definition of Porphyry and Sandstone, get to know about Properties of Porphyry and Sandstone. Get to know more information about Porphyry and Sandstone origin and discoverer, etymology and class.

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History of Porphyry and Sandstone

The history of Porphyry and Sandstone 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 Sandstone Origin and Discoverer

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

Etymology of Porphyry and Sandstone

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

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