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Gossan and Ijolite Definition


Ijolite 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.   
Ijolite is an intrusive igneous rock which is composed mainly of nepheline and an alkali pyroxene, usually aegirine-augite   

History
  
  

Origin
Indonesia   
Finland, Europe   

Discoverer
Cornish Gossen   
Unknown   

Etymology
From Cornish gossen from gos, blood from Old Cornish guit   
From the first syllable of the Finnish words Ii-vaara, Iijoki, &c. commonly used geographical names in Finland, and the Gr. Xiflos, a stone   

Class
Metamorphic Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Plutonic   

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

Texture >>
<< Summary

Definition of Gossan and Ijolite

The general Gossan and Ijolite 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, Ijolite is an intrusive igneous rock which is composed mainly of nepheline and an alkali pyroxene, usually aegirine-augite. Along with definition of Gossan and Ijolite, get to know about Properties of Gossan and Ijolite. Get to know more information about Gossan and Ijolite origin and discoverer, etymology and class.

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History of Gossan and Ijolite

The history of Gossan and Ijolite 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 Ijolite Origin and Discoverer

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

Etymology of Gossan and Ijolite

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

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For Ijolite,

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