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Theralite and Gneiss Definition


Gneiss and Theralite Definition


Definition

Definition
Theralite is a plutonic hylocrystalline igneous rock consisting of augite, olivine, calcic plagioclase and nepheline   
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 Greek to pursue   
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
Fine Grained Rock, Opaque Rock   
Coarse Grained Rock, Medium Grained Rock, Opaque Rock   

Texture >>
<< Summary

Definition of Theralite and Gneiss

The general Theralite and Gneiss definition can be stated as: Theralite is a plutonic hylocrystalline igneous rock consisting of augite, olivine, calcic plagioclase and nepheline. 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 Theralite and Gneiss, get to know about Properties of Theralite and Gneiss. Get to know more information about Theralite and Gneiss origin and discoverer, etymology and class.

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History of Theralite and Gneiss

The history of Theralite 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.

Theralite and Gneiss Origin and Discoverer

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

Etymology of Theralite and Gneiss

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

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