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Pyroxenite and Gneiss Definition


Gneiss and Pyroxenite Definition


Definition

Definition
Pyroxenite is a dark, greenish, granular intrusive igneous rock consisting mainly of pyroxenes and olivine   
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 pyro- fire + Greek xenos stranger as the mineral group was new to igneous rocks   
From the Middle High German verb gneist (to spark; so called because the rock glitters)   

Class
Igneous Rocks   
Metamorphic Rocks   

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

Family
  
  

Group
Plutonic   
Not Applicable   

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

Texture >>
<< Summary

Definition of Pyroxenite and Gneiss

The general Pyroxenite and Gneiss definition can be stated as: Pyroxenite is a dark, greenish, granular intrusive igneous rock consisting mainly of pyroxenes and olivine. 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 Pyroxenite and Gneiss, get to know about Properties of Pyroxenite and Gneiss. Get to know more information about Pyroxenite and Gneiss origin and discoverer, etymology and class.

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History of Pyroxenite and Gneiss

The history of Pyroxenite 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.

Pyroxenite and Gneiss Origin and Discoverer

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

Etymology of Pyroxenite and Gneiss

Along with Pyroxenite and Gneiss definition, know more about the etymology of Pyroxenite and Gneiss. Etymology of Pyroxenite and Gneiss gives information about origin and formation of a particular rock. Know more about Formation of Pyroxenite and Formation of Gneiss. The etymology of Pyroxenite is From pyro- fire + Greek xenos stranger as the mineral group was new to igneous rocks while that of Gneiss is From pyro- fire + Greek xenos stranger as the mineral group was new to igneous rocks. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Pyroxenite belongs to Igneous Rocks while Gneiss belongs to Metamorphic Rocks. The sub-class, group and other categories of Pyroxenite and Gneiss are listed below.

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