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Gossan and Shoshonite Definition


Shoshonite and Gossan Definition


Definition

Definition
Gossan is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein.   
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   

History
  
  

Origin
Indonesia   
Wyoming,USA   

Discoverer
Cornish Gossen   
Iddings   

Etymology
From Cornish gossen from gos, blood from Old Cornish guit   
From the place of origin called Shoshone riverin Wyoming   

Class
Metamorphic Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Medium Hardness Rock   
Durable Rock, Medium Hardness Rock   

Family
  
  

Group
Not Applicable   
Volcanic   

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

Texture >>
<< Summary

Definition of Gossan and Shoshonite

The general Gossan and Shoshonite definition can be stated as: Gossan is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein.. On the other hand, 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. Along with definition of Gossan and Shoshonite, get to know about Properties of Gossan and Shoshonite. Get to know more information about Gossan and Shoshonite origin and discoverer, etymology and class.

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History of Gossan and Shoshonite

The history of Gossan and Shoshonite 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.

Gossan and Shoshonite Origin and Discoverer

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

Etymology of Gossan and Shoshonite

Along with Gossan and Shoshonite definition, know more about the etymology of Gossan and Shoshonite. Etymology of Gossan and Shoshonite gives information about origin and formation of a particular rock. Know more about Formation of Gossan and Formation of Shoshonite. The etymology of Gossan is From Cornish gossen from gos, blood from Old Cornish guit while that of Shoshonite is From Cornish gossen from gos, blood from Old Cornish guit. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Gossan belongs to Metamorphic Rocks while Shoshonite belongs to Igneous Rocks. The sub-class, group and other categories of Gossan and Shoshonite are listed below.

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