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Phonolite and Itacolumite Definition


Itacolumite and Phonolite Definition


Definition

Definition
Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic   
A yellow sandstone which is flexible when cut into thin strips   

History
  
  

Discoverer
Unknown   
Unknown   

Etymology
From the Greek meaning sounding stone because of the metallic sound it produces if an unfractured plate is hit   
From the name of a mountain range where it was found; Itacolumi mountain in Brazil   

Class
Igneous Rocks   
Sedimentary Rocks   

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

Family
  
  

Group
Not Applicable   
Not Applicable   

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

Texture >>
<< Summary

Definition of Phonolite and Itacolumite

The general Phonolite and Itacolumite definition can be stated as: Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic. On the other hand, A yellow sandstone which is flexible when cut into thin strips. Along with definition of Phonolite and Itacolumite, get to know about Properties of Phonolite and Itacolumite. Get to know more information about Phonolite and Itacolumite origin and discoverer, etymology and class.

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History of Phonolite and Itacolumite

The history of Phonolite and Itacolumite 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.

Phonolite and Itacolumite Origin and Discoverer

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

Etymology of Phonolite and Itacolumite

Along with Phonolite and Itacolumite definition, know more about the etymology of Phonolite and Itacolumite. Etymology of Phonolite and Itacolumite gives information about origin and formation of a particular rock. Know more about Formation of Phonolite and Formation of Itacolumite. The etymology of Phonolite is From the Greek meaning sounding stone because of the metallic sound it produces if an unfractured plate is hit while that of Itacolumite is From the Greek meaning sounding stone because of the metallic sound it produces if an unfractured plate is hit. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Phonolite belongs to Igneous Rocks while Itacolumite belongs to Sedimentary Rocks. The sub-class, group and other categories of Phonolite and Itacolumite are listed below.

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