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Breccia and Gneiss Definition


Gneiss and Breccia Definition


Definition

Definition
Breccia is a rock consisting of angular fragments of stones which are cemented by finer calcareous material   
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
England   
Unknown   

Discoverer
Unknown   
Unknown   

Etymology
From Italian, literally gravel, Germanic origin and related to break   
From the Middle High German verb gneist (to spark; so called because the rock glitters)   

Class
Sedimentary Rocks   
Metamorphic Rocks   

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

Family
  
  

Group
Not Applicable   
Not Applicable   

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

Texture >>
<< Summary

Definition of Breccia and Gneiss

The general Breccia and Gneiss definition can be stated as: Breccia is a rock consisting of angular fragments of stones which are cemented by finer calcareous material. 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 Breccia and Gneiss, get to know about Properties of Breccia and Gneiss. Get to know more information about Breccia and Gneiss origin and discoverer, etymology and class.

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History of Breccia and Gneiss

The history of Breccia 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.

Breccia and Gneiss Origin and Discoverer

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

Etymology of Breccia and Gneiss

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

For Breccia,

For Gneiss,

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