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Gneiss and Jasperoid Definition


Jasperoid and Gneiss Definition


Definition

Definition
Gneiss is a common and widely distributed type of rock formed by high-grade regional metamorphic processes from pre-existing formations that were originally either igneous or sedimentary rocks   
Jasperoid is a rare, peculiar type of metasomatic alteration of rocks   

History
  
  

Origin
Unknown   
USA   

Discoverer
Unknown   
Unknown   

Etymology
From the Middle High German verb gneist (to spark; so called because the rock glitters)   
From silica, the main mineral content of Jasperoid   

Class
Metamorphic Rocks   
Sedimentary Rocks   

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

Family
  
  

Group
Not Applicable   
Not Applicable   

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

Texture >>
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Definition of Gneiss and Jasperoid

The general Gneiss and Jasperoid definition can be stated as: Gneiss is a common and widely distributed type of rock formed by high-grade regional metamorphic processes from pre-existing formations that were originally either igneous or sedimentary rocks. On the other hand, Jasperoid is a rare, peculiar type of metasomatic alteration of rocks. Along with definition of Gneiss and Jasperoid, get to know about Properties of Gneiss and Jasperoid. Get to know more information about Gneiss and Jasperoid origin and discoverer, etymology and class.

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History of Gneiss and Jasperoid

The history of Gneiss and Jasperoid 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.

Gneiss and Jasperoid Origin and Discoverer

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

Etymology of Gneiss and Jasperoid

Along with Gneiss and Jasperoid definition, know more about the etymology of Gneiss and Jasperoid. Etymology of Gneiss and Jasperoid gives information about origin and formation of a particular rock. Know more about Formation of Gneiss and Formation of Jasperoid. The etymology of Gneiss is From the Middle High German verb gneist (to spark; so called because the rock glitters) while that of Jasperoid is From the Middle High German verb gneist (to spark; so called because the rock glitters). The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Gneiss belongs to Metamorphic Rocks while Jasperoid belongs to Sedimentary Rocks. The sub-class, group and other categories of Gneiss and Jasperoid are listed below.

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