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Eclogite and Gneiss Definition


Gneiss and Eclogite Definition


Definition

Definition
Eclogite is an extreme metamorphic rock, formed by regional metamorphism of basalt rock under very high pressure and temperature   
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
René Just Haüy   
Unknown   

Etymology
From French, Greek eklogē selection with reference to the selective content of the rock + -ite1   
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
Fine Grained Rock, Opaque Rock   
Coarse Grained Rock, Medium Grained Rock, Opaque Rock   

Texture >>
<< Summary

Definition of Eclogite and Gneiss

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

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History of Eclogite and Gneiss

The history of Eclogite 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.

Eclogite and Gneiss Origin and Discoverer

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

Etymology of Eclogite and Gneiss

Along with Eclogite and Gneiss definition, know more about the etymology of Eclogite and Gneiss. Etymology of Eclogite and Gneiss gives information about origin and formation of a particular rock. Know more about Formation of Eclogite and Formation of Gneiss. The etymology of Eclogite is From French, Greek eklogē selection with reference to the selective content of the rock + -ite1 while that of Gneiss is From French, Greek eklogē selection with reference to the selective content of the rock + -ite1. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Eclogite and Gneiss belong to Metamorphic Rocks. The sub-class, group and other categories of Eclogite and Gneiss are listed below.

For Eclogite,

For Gneiss,

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