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Gossan and Troctolite Definition


Troctolite 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.   
Troctolite is a mafic intrusive rock type. It consists essentially of major but variable amounts of olivine and calcic plagioclase along with minor pyroxene. It is an olivine-rich anorthosite, or a pyroxene-depleted relative of gabbro   

History
  
  

Origin
Indonesia   
Unknown   

Discoverer
Cornish Gossen   
Christian Leopold von Buch   

Etymology
From Cornish gossen from gos, blood from Old Cornish guit   
From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout)   

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 Troctolite

The general Gossan and Troctolite 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, Troctolite is a mafic intrusive rock type. It consists essentially of major but variable amounts of olivine and calcic plagioclase along with minor pyroxene. It is an olivine-rich anorthosite, or a pyroxene-depleted relative of gabbro. Along with definition of Gossan and Troctolite, get to know about Properties of Gossan and Troctolite. Get to know more information about Gossan and Troctolite origin and discoverer, etymology and class.

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History of Gossan and Troctolite

The history of Gossan and Troctolite 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 Troctolite Origin and Discoverer

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

Etymology of Gossan and Troctolite

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

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