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Skarn and Porphyry Definition


Porphyry and Skarn Definition


Definition

Definition
Skarns are formed during regional or contact metamorphism and from a variety of metasomatic processes involving fluids of magmatic, metamorphic, and/or marine origin   
Porphyry is a reddish-brown to purple igneous rock containing large phenocrysts of various minerals embedded in a fine-grained matrix   

History
  
  

Origin
USA, Australia   
Egypt   

Discoverer
Tornebohm   
Unknown   

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

Class
Metamorphic Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Plutonic   

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

Texture >>
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Definition of Skarn and Porphyry

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

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History of Skarn and Porphyry

The history of Skarn 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.

Skarn and Porphyry Origin and Discoverer

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

Etymology of Skarn and Porphyry

Along with Skarn and Porphyry definition, know more about the etymology of Skarn and Porphyry. Etymology of Skarn and Porphyry gives information about origin and formation of a particular rock. Know more about Formation of Skarn and Formation of Porphyry. The etymology of Skarn is From an old Swedish mining term originally used to describe a type of silicate gangue or waste rock. while that of Porphyry is From an old Swedish mining term originally used to describe a type of silicate gangue or waste rock.. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Skarn belongs to Metamorphic Rocks while Porphyry belongs to Igneous Rocks. The sub-class, group and other categories of Skarn and Porphyry are listed below.

For Skarn,

For Porphyry,

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