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Gneiss and Gossan Definition


Gossan and Gneiss Definition


Definition

Definition
Gneiss is a common and widely distributed type of rock formed by high-grade regional metamorphic processes from pre-existing formations that were originally either igneous or sedimentary rocks   
Gossan is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein.   

History
  
  

Origin
Unknown   
Indonesia   

Discoverer
Unknown   
Cornish Gossen   

Etymology
From the Middle High German verb gneist (to spark; so called because the rock glitters)   
From Cornish gossen from gos, blood from Old Cornish guit   

Class
Metamorphic Rocks   
Metamorphic Rocks   

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

Family
  
  

Group
Not Applicable   
Not Applicable   

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

Texture >>
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Definition of Gneiss and Gossan

The general Gneiss and Gossan definition can be stated as: Gneiss is a common and widely distributed type of rock formed by high-grade regional metamorphic processes from pre-existing formations that were originally either igneous or sedimentary rocks. On the other hand, Gossan is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein.. Along with definition of Gneiss and Gossan, get to know about Properties of Gneiss and Gossan. Get to know more information about Gneiss and Gossan origin and discoverer, etymology and class.

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History of Gneiss and Gossan

The history of Gneiss and Gossan 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.

Gneiss and Gossan Origin and Discoverer

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

Etymology of Gneiss and Gossan

Along with Gneiss and Gossan definition, know more about the etymology of Gneiss and Gossan. Etymology of Gneiss and Gossan gives information about origin and formation of a particular rock. Know more about Formation of Gneiss and Formation of Gossan. The etymology of Gneiss is From the Middle High German verb gneist (to spark; so called because the rock glitters) while that of Gossan is From the Middle High German verb gneist (to spark; so called because the rock glitters). The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Gneiss and Gossan belong to Metamorphic Rocks. The sub-class, group and other categories of Gneiss and Gossan are listed below.

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