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Gritstone and Gneiss Definition


Gneiss and Gritstone Definition


Definition

Definition
Gritstone or grit is a hard, coarse-grained, siliceous sandstone   
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
  
  

Origin
Pennines, England   
Unknown   

Discoverer
J.J. Ferber   
Unknown   

Etymology
From Grit + Stone   
From the Middle High German verb gneist (to spark; so called because the rock glitters)   

Class
Sedimentary Rocks   
Metamorphic Rocks   

Sub-Class
Durable Rock, Hard Rock   
Durable Rock, Hard Rock   

Family
  
  

Group
Not Applicable   
Not Applicable   

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

Texture >>
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Definition of Gritstone and Gneiss

The general Gritstone and Gneiss definition can be stated as: Gritstone or grit is a hard, coarse-grained, siliceous sandstone. 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 Gritstone and Gneiss, get to know about Properties of Gritstone and Gneiss. Get to know more information about Gritstone and Gneiss origin and discoverer, etymology and class.

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History of Gritstone and Gneiss

The history of Gritstone 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.

Gritstone and Gneiss Origin and Discoverer

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

Etymology of Gritstone and Gneiss

Along with Gritstone and Gneiss definition, know more about the etymology of Gritstone and Gneiss. Etymology of Gritstone and Gneiss gives information about origin and formation of a particular rock. Know more about Formation of Gritstone and Formation of Gneiss. The etymology of Gritstone is From Grit + Stone while that of Gneiss is From Grit + Stone. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Gritstone belongs to Sedimentary Rocks while Gneiss belongs to Metamorphic Rocks. The sub-class, group and other categories of Gritstone and Gneiss are listed below.

For Gritstone,

For Gneiss,

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