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Gneiss and Lherzolite Definition


Lherzolite 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   
Lherzolite is a type of ultramafic igneous rock which contains essential olivine and clinopyroxene and orthopyroxene in equal proportions   

History
  
  

Origin
Unknown   
France   

Discoverer
Unknown   
Unknown   

Etymology
From the Middle High German verb gneist (to spark; so called because the rock glitters)   
From the Lherz Massif, an alpine peridotite complex, at Étang de Lers, near Massat in the French Pyrenees; Lherz is the archaic spelling of this location   

Class
Metamorphic Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Plutonic   

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

Texture >>
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Definition of Gneiss and Lherzolite

The general Gneiss and Lherzolite 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, Lherzolite is a type of ultramafic igneous rock which contains essential olivine and clinopyroxene and orthopyroxene in equal proportions. Along with definition of Gneiss and Lherzolite, get to know about Properties of Gneiss and Lherzolite. Get to know more information about Gneiss and Lherzolite origin and discoverer, etymology and class.

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History of Gneiss and Lherzolite

The history of Gneiss and Lherzolite 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 Lherzolite Origin and Discoverer

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

Etymology of Gneiss and Lherzolite

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

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