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Schist and Gneiss Definition


Gneiss and Schist Definition


Definition

Definition
Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation   
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   

History
  
  

Discoverer
Unknown   
Unknown   

Etymology
From French schiste, Greek skhistos i.e. split   
From the Middle High German verb gneist (to spark; so called because the rock glitters)   

Class
Metamorphic Rocks   
Metamorphic Rocks   

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

Family
  
  

Group
Not Applicable   
Not Applicable   

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

Texture >>
<< Summary

Definition of Schist and Gneiss

The general Schist and Gneiss definition can be stated as: Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation. On the other hand, 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. Along with definition of Schist and Gneiss, get to know about Properties of Schist and Gneiss. Get to know more information about Schist and Gneiss origin and discoverer, etymology and class.

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History of Schist and Gneiss

The history of Schist and Gneiss 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.

Schist and Gneiss Origin and Discoverer

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

Etymology of Schist and Gneiss

Along with Schist and Gneiss definition, know more about the etymology of Schist and Gneiss. Etymology of Schist and Gneiss gives information about origin and formation of a particular rock. Know more about Formation of Schist and Formation of Gneiss. The etymology of Schist is From French schiste, Greek skhistos i.e. split while that of Gneiss is From French schiste, Greek skhistos i.e. split. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Schist and Gneiss belong to Metamorphic Rocks. The sub-class, group and other categories of Schist and Gneiss are listed below.

For Schist,

For Gneiss,

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