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Gneiss and Diorite Definition


Diorite 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   
Diorite is a grey to dark-grey intermediate intrusive igneous rock composed principally of plagioclase feldspar,biotite, hornblende, and pyroxene   

History
  
  

Discoverer
Unknown   
Unknown   

Etymology
From the Middle High German verb gneist (to spark; so called because the rock glitters)   
From early 19th century coined in French, formed irregularly from Greek diorizein distinguish   

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   
Coarse Grained Rock, Medium Grained Rock, Opaque Rock   

Texture >>
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Definition of Gneiss and Diorite

The general Gneiss and Diorite 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, Diorite is a grey to dark-grey intermediate intrusive igneous rock composed principally of plagioclase feldspar,biotite, hornblende, and pyroxene. Along with definition of Gneiss and Diorite, get to know about Properties of Gneiss and Diorite. Get to know more information about Gneiss and Diorite origin and discoverer, etymology and class.

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History of Gneiss and Diorite

The history of Gneiss and Diorite 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 Diorite Origin and Discoverer

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

Etymology of Gneiss and Diorite

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

For Gneiss,

For Diorite,

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