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Porphyry and Skarn Definition


Skarn 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   
Skarns are formed during regional or contact metamorphism and from a variety of metasomatic processes involving fluids of magmatic, metamorphic, and/or marine origin   

History
  
  

Origin
Egypt   
USA, Australia   

Discoverer
Unknown   
Tornebohm   

Etymology
From Old French porfire, from Italian porfiro and in some cases directly from Latin porphyrites   
From an old Swedish mining term originally used to describe a type of silicate gangue or waste rock.   

Class
Igneous Rocks   
Metamorphic Rocks   

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

Family
  
  

Group
Plutonic   
Not Applicable   

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

Texture >>
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Definition of Porphyry and Skarn

The general Porphyry and Skarn 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, Skarns are formed during regional or contact metamorphism and from a variety of metasomatic processes involving fluids of magmatic, metamorphic, and/or marine origin. Along with definition of Porphyry and Skarn, get to know about Properties of Porphyry and Skarn. Get to know more information about Porphyry and Skarn origin and discoverer, etymology and class.

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History of Porphyry and Skarn

The history of Porphyry and Skarn 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 Skarn Origin and Discoverer

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

Etymology of Porphyry and Skarn

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

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