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Gossan and Phonolite Definition


Phonolite 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.   
Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic   

History
  
  

Origin
Indonesia   
Unknown   

Discoverer
Cornish Gossen   
Unknown   

Etymology
From Cornish gossen from gos, blood from Old Cornish guit   
From the Greek meaning sounding stone because of the metallic sound it produces if an unfractured plate is hit   

Class
Metamorphic Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Not Applicable   

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

Texture >>
<< Summary

Definition of Gossan and Phonolite

The general Gossan and Phonolite 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, Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic. Along with definition of Gossan and Phonolite, get to know about Properties of Gossan and Phonolite. Get to know more information about Gossan and Phonolite origin and discoverer, etymology and class.

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History of Gossan and Phonolite

The history of Gossan and Phonolite 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 Phonolite Origin and Discoverer

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

Etymology of Gossan and Phonolite

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

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