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Shoshonite and Skarn Definition


Skarn and Shoshonite Definition


Definition

Definition
Shoshonite is a basaltic rock, properly a potassic trachyandesite, composed of olivine, augite and plagioclase phenocrysts in a groundmass with calcic plagioclase and sanidine and some dark-colored volcanic glass   
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
Wyoming,USA   
USA, Australia   

Discoverer
Iddings   
Tornebohm   

Etymology
From the place of origin called Shoshone riverin Wyoming   
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, Medium Hardness Rock   
Durable Rock, Hard Rock   

Family
  
  

Group
Volcanic   
Not Applicable   

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

Texture >>
<< Summary

Definition of Shoshonite and Skarn

The general Shoshonite and Skarn definition can be stated as: Shoshonite is a basaltic rock, properly a potassic trachyandesite, composed of olivine, augite and plagioclase phenocrysts in a groundmass with calcic plagioclase and sanidine and some dark-colored volcanic glass. 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 Shoshonite and Skarn, get to know about Properties of Shoshonite and Skarn. Get to know more information about Shoshonite and Skarn origin and discoverer, etymology and class.

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History of Shoshonite and Skarn

The history of Shoshonite 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.

Shoshonite and Skarn Origin and Discoverer

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

Etymology of Shoshonite and Skarn

Along with Shoshonite and Skarn definition, know more about the etymology of Shoshonite and Skarn. Etymology of Shoshonite and Skarn gives information about origin and formation of a particular rock. Know more about Formation of Shoshonite and Formation of Skarn. The etymology of Shoshonite is From the place of origin called Shoshone riverin Wyoming while that of Skarn is From the place of origin called Shoshone riverin Wyoming. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Shoshonite belongs to Igneous Rocks while Skarn belongs to Metamorphic Rocks. The sub-class, group and other categories of Shoshonite and Skarn are listed below.

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