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Ignimbrite and Gneiss Definition


Gneiss and Ignimbrite Definition


Definition

Definition
Ignimbrite is a volcanic rock consisting mainly of pumice fragments, formed by the consolidation of material deposited by pyroclastic flows   
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
  
  

Origin
New Zealand   
Unknown   

Discoverer
Patrick Marshall   
Unknown   

Etymology
From Latin ignis fire + imber, imbr- shower of rain, storm cloud + -ite   
From the Middle High German verb gneist (to spark; so called because the rock glitters)   

Class
Igneous Rocks   
Metamorphic Rocks   

Sub-Class
Durable Rock, Medium Hardness Rock   
Durable Rock, Hard Rock   

Family
  
  

Group
Volcanic   
Not Applicable   

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

Texture >>
<< Summary

Definition of Ignimbrite and Gneiss

The general Ignimbrite and Gneiss definition can be stated as: Ignimbrite is a volcanic rock consisting mainly of pumice fragments, formed by the consolidation of material deposited by pyroclastic flows. 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 Ignimbrite and Gneiss, get to know about Properties of Ignimbrite and Gneiss. Get to know more information about Ignimbrite and Gneiss origin and discoverer, etymology and class.

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History of Ignimbrite and Gneiss

The history of Ignimbrite 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.

Ignimbrite and Gneiss Origin and Discoverer

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

Etymology of Ignimbrite and Gneiss

Along with Ignimbrite and Gneiss definition, know more about the etymology of Ignimbrite and Gneiss. Etymology of Ignimbrite and Gneiss gives information about origin and formation of a particular rock. Know more about Formation of Ignimbrite and Formation of Gneiss. The etymology of Ignimbrite is From Latin ignis fire + imber, imbr- shower of rain, storm cloud + -ite while that of Gneiss is From Latin ignis fire + imber, imbr- shower of rain, storm cloud + -ite. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Ignimbrite belongs to Igneous Rocks while Gneiss belongs to Metamorphic Rocks. The sub-class, group and other categories of Ignimbrite and Gneiss are listed below.

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