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Gossan and Pegmatite Definition


Pegmatite 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.   
Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals   

History
  
  

Origin
Indonesia   
Unknown   

Discoverer
Cornish Gossen   
R. J. Hauy   

Etymology
From Cornish gossen from gos, blood from Old Cornish guit   
From Greek pegma, pegmat which means- thing joined together + -ite   

Class
Metamorphic Rocks   
Igneous Rocks   

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

The general Gossan and Pegmatite 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, Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. Along with definition of Gossan and Pegmatite, get to know about Properties of Gossan and Pegmatite. Get to know more information about Gossan and Pegmatite origin and discoverer, etymology and class.

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History of Gossan and Pegmatite

The history of Gossan and Pegmatite 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 Pegmatite Origin and Discoverer

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

Etymology of Gossan and Pegmatite

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

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