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Appinite and Gneiss Definition


Gneiss and Appinite Definition


Definition

Definition
Appinite is an igneous rock in which the crystals are so fine grained that individual minerals cannot be easily distinguished   
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 the variety of Lamprophyre Greek lampros bright and shining + porphureos purple   
From the Middle High German verb gneist (to spark; so called because the rock glitters)   

Class
Igneous Rocks   
Metamorphic Rocks   

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

Family
  
  

Group
Plutonic   
Not Applicable   

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

Texture >>
<< Summary

Definition of Appinite and Gneiss

The general Appinite and Gneiss definition can be stated as: Appinite is an igneous rock in which the crystals are so fine grained that individual minerals cannot be easily distinguished. 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 Appinite and Gneiss, get to know about Properties of Appinite and Gneiss. Get to know more information about Appinite and Gneiss origin and discoverer, etymology and class.

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History of Appinite and Gneiss

The history of Appinite 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.

Appinite and Gneiss Origin and Discoverer

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

Etymology of Appinite and Gneiss

Along with Appinite and Gneiss definition, know more about the etymology of Appinite and Gneiss. Etymology of Appinite and Gneiss gives information about origin and formation of a particular rock. Know more about Formation of Appinite and Formation of Gneiss. The etymology of Appinite is From the variety of Lamprophyre Greek lampros bright and shining + porphureos purple while that of Gneiss is From the variety of Lamprophyre Greek lampros bright and shining + porphureos purple. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Appinite belongs to Igneous Rocks while Gneiss belongs to Metamorphic Rocks. The sub-class, group and other categories of Appinite and Gneiss are listed below.

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For Gneiss,

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