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Rhyodacite and Gossan Definition


Gossan and Rhyodacite Definition


Definition

Definition
Rhyodacite is an extrusive volcanic rock intermediate in composition between dacite and rhyolite   
Gossan is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein.   

History
  
  

Origin
USA   
Indonesia   

Discoverer
Unknown   
Cornish Gossen   

Etymology
Rhyo lite + dacite : a rock intermediate between rhyolite and dacite that is the extrusive equivalent of granodiorite   
From Cornish gossen from gos, blood from Old Cornish guit   

Class
Igneous Rocks   
Metamorphic Rocks   

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

Family
  
  

Group
Volcanic   
Not Applicable   

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

Texture >>
<< Summary

Definition of Rhyodacite and Gossan

The general Rhyodacite and Gossan definition can be stated as: Rhyodacite is an extrusive volcanic rock intermediate in composition between dacite and rhyolite. 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 Rhyodacite and Gossan, get to know about Properties of Rhyodacite and Gossan. Get to know more information about Rhyodacite and Gossan origin and discoverer, etymology and class.

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History of Rhyodacite and Gossan

The history of Rhyodacite 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.

Rhyodacite and Gossan Origin and Discoverer

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

Etymology of Rhyodacite and Gossan

Along with Rhyodacite and Gossan definition, know more about the etymology of Rhyodacite and Gossan. Etymology of Rhyodacite and Gossan gives information about origin and formation of a particular rock. Know more about Formation of Rhyodacite and Formation of Gossan. The etymology of Rhyodacite is Rhyo lite + dacite : a rock intermediate between rhyolite and dacite that is the extrusive equivalent of granodiorite while that of Gossan is Rhyo lite + dacite : a rock intermediate between rhyolite and dacite that is the extrusive equivalent of granodiorite. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Rhyodacite belongs to Igneous Rocks while Gossan belongs to Metamorphic Rocks. The sub-class, group and other categories of Rhyodacite and Gossan are listed below.

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