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Gneiss and Eclogite Definition


Eclogite 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   
Eclogite is an extreme metamorphic rock, formed by regional metamorphism of basalt rock under very high pressure and temperature   

History
  
  

Discoverer
Unknown   
René Just Haüy   

Etymology
From the Middle High German verb gneist (to spark; so called because the rock glitters)   
From French, Greek eklogē selection with reference to the selective content of the rock + -ite1   

Class
Metamorphic Rocks   
Metamorphic 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   
Fine Grained Rock, Opaque Rock   

Texture >>
<< Summary

Definition of Gneiss and Eclogite

The general Gneiss and Eclogite 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, Eclogite is an extreme metamorphic rock, formed by regional metamorphism of basalt rock under very high pressure and temperature. Along with definition of Gneiss and Eclogite, get to know about Properties of Gneiss and Eclogite. Get to know more information about Gneiss and Eclogite origin and discoverer, etymology and class.

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History of Gneiss and Eclogite

The history of Gneiss and Eclogite 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 Eclogite Origin and Discoverer

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

Etymology of Gneiss and Eclogite

Along with Gneiss and Eclogite definition, know more about the etymology of Gneiss and Eclogite. Etymology of Gneiss and Eclogite gives information about origin and formation of a particular rock. Know more about Formation of Gneiss and Formation of Eclogite. The etymology of Gneiss is From the Middle High German verb gneist (to spark; so called because the rock glitters) while that of Eclogite 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 and Eclogite belong to Metamorphic Rocks. The sub-class, group and other categories of Gneiss and Eclogite are listed below.

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