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Rhomb Porphyry and Gneiss Definition


Gneiss and Rhomb Porphyry Definition


Definition

Definition
Rhomb-porphyry is a porphyritic igneous rock with abundant wedge or lens shaped anorthoclase or feldspar phenocrysts   
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 Latin term that means purple   
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 Rhomb Porphyry and Gneiss

The general Rhomb Porphyry and Gneiss definition can be stated as: Rhomb-porphyry is a porphyritic igneous rock with abundant wedge or lens shaped anorthoclase or feldspar phenocrysts. 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 Rhomb Porphyry and Gneiss, get to know about Properties of Rhomb Porphyry and Gneiss. Get to know more information about Rhomb Porphyry and Gneiss origin and discoverer, etymology and class.

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History of Rhomb Porphyry and Gneiss

The history of Rhomb Porphyry 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.

Rhomb Porphyry and Gneiss Origin and Discoverer

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

Etymology of Rhomb Porphyry and Gneiss

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

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